Select the correct option based on statements below:

Assertion (A):  pKb of aniline is higher than ethylamine.
Reason (R): The lone pair of -NH2 group in aniline is involved in conjugation with a benzene ring.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Amines - Preparation & Properties |
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Select the correct option based on statements below:

Assertion (A): Only a small amount of HCI is required in the reduction of nitro compounds with iron scrap and HCI in the presence of steam.
Reason (R): FeCl2 formed gets hydrolyzed to release HCI during the reaction.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Amines - Preparation & Properties |
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The correct statement regarding the basicity of arylamines is:

1. Arylamines are generally more basic than alkylamines because the lone-pair electrons of nitrogen are not delocalized by interaction with the aromatic ring π-electron system.
2. Arylamines are generally more basic than alkylamines because of the aryl group +I effect.
3. Arylamines are generally more basic than alkylamines because the nitrogen atom in arylamines is sp-hybridized.
4. Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring π-electron system.
Subtopic:  Amines - Preparation & Properties |
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Which of the following compounds, when reduced with lithium aluminium hydride, produces a secondary amine?

1. Nitroethane

2. Methylisocyanide

3. Acetamide

4. Methyl cyanide

Subtopic:  Amines - Preparation & Properties |
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A compound "A", when reacted with PCl5 and then with ammonia, gives "B". "B" on treatment with bromine and caustic potash produces "C". "C" on treatment with NaNO2 and HCl at C and then boiling produces ortho-cresol. Compound "A" is:

1. o-Toluic acid

2. o-Chlorotoluene

3. o-Bromotoluene

4. m-Toluic acid

Subtopic:  Amines - Preparation & Properties |
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In a set of reactions, propanoic acid yielded a compound (D).
\(CH_3CH_2COOH\ \text{(A)} \xrightarrow[]{SOCl_2}\ \text{(B)} \ \xrightarrow[]{NH_3}\ \text{(C)}\ \xrightarrow[Br_2]{KOH}\ \text{(D)}\)

The formula for (D) is:

1. CH3CH2CH2NH2

2. CH3CH2CONH2

3. CH3CH2NHCH3

4. CH3CH2NH2

Subtopic:  Amines - Preparation & Properties |
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For the following compounds, what is the correct increasing order of basic strength?

     (I)       (II)     (III)

1. III < I < II

2. III < II < I

3. II < I < III

4. II < III < I

Subtopic:  Amines - Preparation & Properties |
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The product formed in the below mentioned reaction is:

1.  2.
3. 4.
Subtopic:  Amines - Preparation & Properties |
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CH3CH2CO-NH2 can be converted into CH3CH2NH2 in the presence of:

1. LiAlH4 

2. H2/Pt

3. Sn/HCl 

4. NaOBr/OH

Subtopic:  Amines - Preparation & Properties |
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What is the correct order of the methyl substituted amines' basic strength in an aqueous solution?

1. CH3NH> (CH3)2NH > (CH3)3N

2. (CH3)2NH > CH3NH2 > (CH3)3N

3. (CH3)3N > CH3NH2 > (CH3)2NH

4. (CH3)3N > CH3NH2 > (CH3)2NH

Subtopic:  Amines - Preparation & Properties |
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