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Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Chemistry Subject - Organic Nitrogen Compounds, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
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1.
How will you convert nitrobenzene into
vii. aniline
2.
How will you convert nitrobenzene into
vi. N – phenylhydroxylamine
3.
How will you convert nitrobenzene into
v. hydrozobenzene
4.
How will you convert nitrobenzene into
iv. azoxybenzene
5.
How will you convert nitrobenzene into
iii. m – nitro aniline
6.
How will you convert nitrobenzene into
ii. o and p- nitrophenol
7.
What happens when
iv. Oxidation of acetoneoxime with trifluoroperoxy acetic acid.
8.
What happens when
iii. Oxidation of text – butylamine with KMnO4
9.
What happens when
ii. Nitrobenezene undergo electrolytic reduction in strongly acidic medium.
10.
Identify A aniline + benzaldehyde → A
11.
Complete the following reaction

12.
There are two isomers with the formula CH3NO2. How will you distinguish between them?
13.
Write down the possible isomers of the C4H9NO2 give their IUPAC names.
14.
How will you convert nitrobenzene into
i. 1,3,5 - trinitrobenzene
ii. o and p- nitrophenol
iii. m – nitro aniline
iv. azoxybenzene
v. hydrozobenzene
vi. N – phenylhydroxylamine
vii. aniline
15.
What happens when
i. 2 – Nitropropane boiled with HCl
ii. Nitrobenezene undergo electrolytic reduction in strongly acidic medium.
iii. Oxidation of tert – butylamine with KMnO4
iv. Oxidation of acetoneoxime with trifluoroperoxy acetic acid
1.
Nitrobenzene into aniline
2.
Nitrobenzene into N - phenyl hydrazobenzene
3.
Nitrobenzene into hydrazobenzene
4.
Nitrobenzene into azoxybenzene
+3H2O
5.
Nitrobenzene into m - nitro aniline
+ 6NH3 + 2H2O + 3S
6.
Nitrobenzene into o - and p - nitro phenols
7.
iv) Oxidation of acetoneoxime with trifluoroperoxy acetic acid.
It gives 2 - nitro propane.
8.
iii) Oxidation of text – butylamine with KMnO4:
It gives 2 - methyl - 2- nitro propane is obtained.
9.
ii) Nitrobenzene on electrolytic reduction in strongly acidic medium:
It gives aniline, phenyl hydroxylamine and p - amino phenol
10.
11.
12.
a) Primary and secondary nitroalkanes, having α-H, also show an equilibrium mixture of two tautomers namely nitro - and aci - form
b) Difference:
| S.No | Nitro form | Aci - form |
| 1. | Less acidic in nature. | More acidic |
| 2. | Dissolves in NaOH slowly | Dissolves in NaOH instantly |
| 3. | Decolourises FeCl3 solution | With FeCl3 gives reddish brown colour |
| 4. | Electrical conductivity is low | Electrical conductivity is high |
13.
| Isomerism | Structural formula of isomers |
| Chain isomerism: They differ in the length of carbon chain. |
|
| Position isomerism: They differ in the position of nitro group. |
|
| Functional isomerism: Nitroalkanes exhibit functional isomerism with alkylnitrites |
\( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}-\mathrm{NO}_{2} \text { and } \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}-\mathrm{O}-\mathrm{N}=\mathrm{O}\\ \quad 1 - nitrobutane \quad \quad \quad \quad \quad \quad \quad butyl \ nitrite\) |
14.
Nitrobenzene into 1,3,5 - trinitro benzene
Nitrobenzene 1,3,5 - trinitro benzene
ii. Nitrobenzene into o - and p - nitro phenols
iii. Nitrobenzene into m - nitro aniline
+ 6NH3 + 2H2O + 3S
iv. Nitrobenzene into azoxybenzene
+3H2O
v. Nitrobenzene into hydrazobenzene
vi. Nitrobenzene into N - phenyl hydrazobenzene
vii. Nitrobenzene into aniline
15.
i) 2 - nitro propane is boiled with HCI:
It gives acetone.
ii) Nitrobenzene on electrolytic reduction in strongly acidic medium:
It gives aniline, phenyl hydroxylamine and p - amino phenol
iii) Oxidation of text – butylamine with KMnO4:
It gives 2 - methyl - 2- nitro propane is obtained.
iv) Oxidation of acetoneoxime with trifluoroperoxy acetic acid.
It gives 2 - nitro propane.
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