What s wrong with the following iupac name
This presentation is the property of its rightful owner.
Sponsored Links
1 / 164

What’s wrong with the following IUPAC name? PowerPoint PPT Presentation


  • 63 Views
  • Uploaded on
  • Presentation posted in: General

What’s wrong with the following IUPAC name?. Tetraaminecopper(II) ion. Correct IUPAC name. Tetraamminecopper(II) ion ammine, not amine. What’s wrong with the following IUPAC name?. 2-Methylpentan-2,4-diol. Correct IUPAC name. 2-Methylpentan e -2,4-diol.

Download Presentation

What’s wrong with the following IUPAC name?

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


What s wrong with the following iupac name

What’s wrong with the following IUPAC name?

Tetraaminecopper(II) ion


Correct iupac name

Correct IUPAC name

Tetraamminecopper(II) ion

ammine, not amine


What s wrong with the following iupac name1

What’s wrong with the following IUPAC name?

2-Methylpentan-2,4-diol


Correct iupac name1

Correct IUPAC name

2-Methylpentane-2,4-diol


What s wrong with the following iupac name2

What’s wrong with the following IUPAC name?

3,7-dimethyloct-6-eneal


Correct iupac name2

Correct IUPAC name

3,7-dimethyloct-6-enal


What s wrong with the following iupac name3

What’s wrong with the following IUPAC name?

Dibromocyclohexane


Correct iupac name3

Correct IUPAC name

trans-1,2-dibromocyclohexane


What s wrong with the following structure

What’s wrong with the following structure?


Correct structure

Correct structure


Correct structure1

Correct structure


What s wrong with the following structure1

What’s wrong with the following structure?


Correct structure2

Correct structure


Correct structure3

Correct structure


What s wrong with the following structure2

What’s wrong with the following structure?


Correct structure4

Correct structure


What s wrong with the following structure3

What’s wrong with the following structure?


Correct structure5

Correct structure


What s wrong with the following structure4

What’s wrong with the following structure?


Correct structure6

Correct structure


What s wrong with the following structure5

What’s wrong with the following structure?

Nitronium ion


Correct structure7

Correct structure

Nitronium ion


What s wrong with the following structure6

What’s wrong with the following structure?


Correct structure8

Correct structure


What s wrong with the following representation

What’s wrong with the following representation?


What s wrong with the following representation1

What’s wrong with the following representation?


Correct representation

Correct representation


What s wrong with the following representation2

What’s wrong with the following representation?


What s wrong with the following representation3

What’s wrong with the following representation?


What s wrong with the following representation4

What’s wrong with the following representation?


Correct representation1

Correct representation


What s wrong with the following representation5

What’s wrong with the following representation?


Correct representation2

Correct representation


What s wrong with the following representation6

What’s wrong with the following representation?


Correct representation3

Correct representation


What s wrong with the following representation7

What’s wrong with the following representation?


Correct representation4

Correct representation


What s wrong with the following representation8

What’s wrong with the following representation?


Correct representation5

Correct representation


Correct representation6

Correct representation


What s wrong with the following representation9

What’s wrong with the following representation?

[Co(H2O)6]2+ Cl2-


Correct representation7

Correct representation

[Co(H2O)6]2+ 2Cl-


What s wrong with the following representation10

What’s wrong with the following representation?

Cell diagram of the standard electrode potential of Cu2+(aq)/Cu(s) couple

Pt(s) /H2(g) /2H+(aq)  Cu2+(aq) /Cu(s)

E o = +0.34V


Correct representation8

Correct representation

Cell diagram of the standard electrode potential of Cu2+(aq)/Cu(s) couple

Pt(s) /H2(g, 1atm) /2H+(aq, 1M)  Cu2+(aq, 1M) /Cu(s)

E o = +0.34V


What s wrong with the following representation11

What’s wrong with the following representation?


Correct representation9

Correct representation

“Fish-hook arrow/ half arrow“ to represent flow of an odd electron.


What s wrong with the following representation12

What’s wrong with the following representation?


Correct representation10

Correct representation

Curly arrows flows from –ve charge center to +ve charge center.


What s wrong with the following representation13

What’s wrong with the following representation?


Correct representation11

Correct representation

“” to represent resonance


What s wrong with the following representation14

What’s wrong with the following representation?

Negative inductive effect of F


Correct representation12

Correct representation

Negative inductive effect of F

“ ” to represent inductive effect


What s wrong with the following representation15

What’s wrong with the following representation?

1s2 2s2 2p6 3s2 3p6 4s2 3d2


Correct representation13

Correct representation

1s2 2s2 2p6 3s2 3p6 3d2 4s2

Electronic configuration should be in ascending order of principal quantum no


What s wrong with the following representation16

What’s wrong with the following representation?

Enthalpy change of combustion of nitrogen = 40 kJ mol-1


Correct representation14

Correct representation

Enthalpy change of combustion of nitrogen = +40 kJ mol-1

+ve/-ve sign should be included in the H values of endothermic/exothermic enthalpy changes


What s wrong with the following representation17

What’s wrong with the following representation?

Enthalpy Change of formation of water:

H2 + O2 H2O H = -420 kJ mol-1


Correct representation15

Correct representation

Enthalpy Change of formation of water:

H2(g)+ ½O2(g) H2O(l) H = -420 kJ mol-1

Equations should be balanced.

Physical states should be included in thermochemical equations.


What s wrong with the following representation18

What’s wrong with the following representation?

Partial pressure of H2– [H2(g)]


Correct representation16

Correct representation

Partial pressure of H2– PH2(g)

[ ] – concentration expressed in terms of mol dm-3


What s wrong with the following equation

What’s wrong with the following equation?


Correct reaction pathway

Correct reaction pathway


What s wrong with the following equation1

What’s wrong with the following equation?


Correct reaction pathway1

Correct reaction pathway


What s wrong with the following equation2

What’s wrong with the following equation?


Correct reaction pathway2

Correct reaction pathway


What s wrong with the following equation3

What’s wrong with the following equation?


Correct reaction pathway3

Correct reaction pathway


What s wrong with the following equation4

What’s wrong with the following equation?


Correct reaction pathway4

Correct reaction pathway


Correct reaction pathway5

Correct reaction pathway


What s wrong with the following equation5

What’s wrong with the following equation?


Correct reaction pathway6

Correct reaction pathway


What s wrong with the following equation6

What’s wrong with the following equation?


Correct reaction pathway7

Correct reaction pathway


What s wrong with the following equation7

What’s wrong with the following equation?


Correct reaction pathway8

Correct reaction pathway


What s wrong with the following equation8

What’s wrong with the following equation?


Correct reaction pathway9

Correct reaction pathway


What s wrong with the following equation9

What’s wrong with the following equation?


Correct reaction pathway10

Correct reaction pathway


What s wrong with the following equation10

What’s wrong with the following equation?


Correct reaction pathway11

Correct reaction pathway


What s wrong with the following equation11

What’s wrong with the following equation?


Correct reaction pathway12

Correct reaction pathway


What s wrong with the following equation12

What’s wrong with the following equation?


Correct reaction pathway13

Correct reaction pathway


What s wrong with the following equation13

What’s wrong with the following equation?


Correct products

Correct products


What s wrong with the following equation14

What’s wrong with the following equation?


Correct product

Correct product


What s wrong with the following equation15

What’s wrong with the following equation?


Correct products1

Correct products

Phenol is less acidic than H2CO3,

but more acidic than HCO3-.


What s wrong with the following equation16

What’s wrong with the following equation?

Two dipeptides can be formed from 2-aminoethanoic acid and 2-aminopropanoic acid


Correct products2

Correct products


What s wrong with the following equation17

What’s wrong with the following equation?


Correct products3

Correct products


What s wrong with the following equation18

What’s wrong with the following equation?


Correct products4

Correct products


Correct products5

Correct products


What s wrong with the following equation19

What’s wrong with the following equation?


Correct product1

Correct product


What s wrong with the following reaction conditions

What’s wrong with the following reaction conditions?

using AgNO3(aq) to detect chloride ion


Correct reaction conditions

Correct reaction conditions

using AgNO3(aq) + HNO3(aq)

to detect chloride ion


What s wrong with the following reaction conditions1

What’s wrong with the following reaction conditions?

using glowing splint to detect hydrogen;


Correct reaction conditions1

Correct reaction conditions

using burning splint in the test of hydrogen


What s wrong with the following reaction conditions2

What’s wrong with the following reaction conditions?

using BaCl2(aq) to detect sulphate ion


Correct reaction conditions2

Correct reaction conditions

using BaCl2(aq) + HCl(aq)

to detect sulphate ion


What s wrong with the following reaction conditions3

What’s wrong with the following reaction conditions?

using LiAlH4, water in the reduction of carbonyl compounds


Correct reaction conditions3

Correct reaction conditions

using LiAlH4, etherin the

reduction of carbonyl compounds

LiAlH4 + 4H2O  Li+ + Al3+ + 4OH- + 4H2


What s wrong with the following reaction conditions4

What’s wrong with the following reaction conditions?

using NaNO3(s) + HCl(aq)

in the azotization of aromatic amines


Correct reaction conditions4

Correct reaction conditions

using NaNO2(s) + HCl(aq)(<5oC)

in the azotization of aromatic amines


What s wrong with the following description

What’s wrong with the following description?

in Lucas Test (to distinguish 1o, 2o & 3o alcohol), 3o alcohol forms precipitate readily as alkyl halide is immiscible with water


Correct description

Correct description

in Lucas Test (to distinguish 1o, 2o & 3o alcohol), 3o alcohol turns turbid readily as alkyl halide is immiscible with water.


What s wrong with the following description1

What’s wrong with the following description?

Landfilling is an appropriate disposal method for PVC.


Correct description1

Correct description

Landfilling is not regarded as an appropriate disposal method for PVC because PVC is non-biodegradable;

The proper way is by incineration (with adequate supply of air at sufficient higher temperature) and treat the flue gas in wet scrubber with Na2CO3(aq).


What s wrong with the following description2

What’s wrong with the following description?

first emission line in the Balmer series involves electronic transition between n = 2 to n = 0.


Correct description2

Correct description

quantum number can have values 1,2,3 etc; first emission line in Balmer series involves electronic transition between n = 3 to 2; convergence limit in Balmer series involves electronic transition between n = infinity to 2.


What s wrong with the following expression

What’s wrong with the following expression?


Correct expression

Correct expression


What s wrong with the following expression1

What’s wrong with the following expression?


Correct expression1

Correct expression


What s wrong with the following expression2

What’s wrong with the following expression?


Correct expression2

Correct expression


What s wrong with the following expression3

What’s wrong with the following expression?

The decay of carbon-14 starts after the death of living things.


Correct expression3

Correct expression

The ratio of carbon-12 and carbon-14 remains unchanged in a living organism, but decreases slowly after the death of living things.


What s wrong with the following expression4

What’s wrong with the following expression?

In paper chromatography, cellulose in the filter paper is the stationery phase.


Correct expression4

Correct expression

In paper chromatography, the thin film of water on the chromatography paper acts as the stationary phase and that partition is the underlying principle of paper chromatography.


What s wrong with the following expression5

What’s wrong with the following expression?

criteria in choosing an indicator – pH range of colour change close to the equivalence point


Correct expression5

Correct expression

criteria in choosing an indicator – the pH range of colour change of the indicator falls into the steepest part of the titration curve/ pKi is very close to the pH of the solution at equivalence point.


What s wrong with the following expression6

What’s wrong with the following expression?

A rise in temp increases the forward reaction rate and the equilibrium position shifts to the product side.


Correct expression6

Correct expression

A rise in temp. increases both the forward & backward reaction rates. For endothermic reaction the extent of increase in forward reaction rate is greater than that of backward reaction rate. Thus the position of equilibrium shifts to the product side. In case of endothermic/exothermic reaction, Kc increases/decreases with temp.


What s wrong with the following expression7

What’s wrong with the following expression?

catalyst lowers the activation energy of the reaction.

catalyst increases both reaction rate & yield.


Correct expression7

Correct expression

catalyst provides a new pathway with lower activation energy.

catalyst increases the reaction rate but yield remains unchanged.


What s wrong with the following expression8

What’s wrong with the following expression?

b.p. of H2O > OF2 because intermolecular hydrogen bond exists in water.


Correct expression8

Correct expression

b.p. of H2O > OF2 because intermolecular hydrogen bond exists in waterand van der Waals’ force between OF2.

more energy is needed to overcome hydrogen bond, accounting for the higher boiling point.


What s wrong with the following expression9

What’s wrong with the following expression?

Boiling point of H2O > H2S because O is more electronegative and forms stronger hydrogen bonding.


Correct expression9

Correct expression

Boiling point of H2O > H2S

because O is more electronegative

intermolecular hydrogen bond in H2O

Van der Waals’ forces in H2S is weaker

more energy is needed to overcome hydrogen bond, accounting for the higher boiling point.


What s wrong with the following expression10

What’s wrong with the following expression?

hcp, fcc and bcc are close-packing arrangement.


Correct expression10

Correct expression

Hexagonal close-packing and face-centred cubic close-packing have the maximum co-ordination number, which is equal to 12. Body-centred cubic has open structure and the coordination number is equal to 8.


What s wrong with the following expression11

What’s wrong with the following expression?

NaCl has ‘face-centred cubic structure’ and CsCl has ‘body-centred cubic structure’


Correct expression11

Correct expression

In NaCl, both Na+ and Cl- ions adopt face-centred cubic lattices, which interpenetrate each other. The structure shows 6:6 coordination.

In CsCl, both Cs+ and Cl- ions adopt simple cubic lattices, which interpenetrate each other. The structure shows 8:8 coordination.


What s wrong with the following expression12

What’s wrong with the following expression?

oxidative rancidity of oils and fats involve RCOO.


Correct expression12

Correct expression

oxidative rancidity of oils and fats involve alkylperoxyl radical (ROO.) but not the carboxyl radical (RCOO.);


What s wrong with the following expression13

What’s wrong with the following expression?

The functional group in benzoic acid is ‘alkanoic acid’ and ‘alkanol’ is the functional group of phenol.


Correct expression13

Correct expression

‘Carboxylic acid’ is the functional group of benzoic acid. ‘Hydroxyl group’ is the functional group of phenol.


What s wrong with the following expression14

What’s wrong with the following expression?

“Chromium is harmful”


Correct expression14

Correct expression

Chromium compounds are toxic to aquatic life.


What s wrong with the following expression15

What’s wrong with the following expression?

Aspirin has sude effects.


Correct expression15

Correct expression

Aspirin could cause damage to stomach lining.


What s wrong with the following expression16

What’s wrong with the following expression?

Order is the sum of the powers of the concentration terms in the rate equation.


Correct expression16

Correct expression

Order is the sum of the powers of the concentration terms in theexperimentally determinedrate equation.


What s wrong with the following expression17

What’s wrong with the following expression?

Half-life of a first order reaction increases with initial concentration.


Correct expression17

Correct expression

Half-life of a first order reaction is independent of initial concentration or pressure.


What s wrong with the following expression18

What’s wrong with the following expression?

With an alkali, halogen forms halide and halate(V).


Correct expression18

Correct expression

With an alkali, chlorine forms ClO- and ClO3-under different conditions, bromine forms mainly BrO3- with some BrO-, and iodine only IO3-.


What s wrong with the following expression19

What’s wrong with the following expression?

Boric acid is a tribasic acid.


Correct expression19

Correct expression

Boric acid is a monobasic acid.


What s wrong with the following expression20

What’s wrong with the following expression?

CCl4 is stable towards water, but SiCl4 hydrolyses readily in water. This is because C is more electronegative than Si.


Correct expression20

Correct expression

Low-lying vacant orbital is not available in carbon.


What s wrong with the following expression21

What’s wrong with the following expression?

Phenol is more acidic than ethanol because the negative charge on the phenoxide ion can delocalise into the benzene ring.


Correct expression21

Correct expression

Due to the delocalization of the negative charge, the phenoxide ion is stablized. The following equilibrium shifts to the RHS.


What s wrong with the following expression22

What’s wrong with the following expression?

Tertiary carbocation is more stable than the primary carbocation.


Correct expression22

Correct expression

Tertiary carbocation is more stable than the primary carbocation.

Positive inductive effect of the methyl group stabilises the tertiary carbocation.


  • Login