An aromatic primary amine with cold nitrous acid leads to the formation of:

1. alcohol

2. nitrite

3. diazonium salt

4. benzene

The least basic aqueous solution among the following is -

1. $({\mathrm{CH}}_3{)}_2\mathrm{NH}$

2. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

3. $({\mathrm{CH}}_3{)}_3\mathrm{N}$

4. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2$

Which one of the following on reduction with LiAlH₄ yields a secondary amine ?

[2007]

1. Methyl isocyanide

2. Acetamide

3. Methyl cyanide

4. Nitroethane

The IUPAC name of the compound having formula,

 $O=C—CH—C{H}_2$
$| | |$
$OH N{H}_2 OH$ is :

1. 3-Aminohydroxypropionic acid

2. 2-Amino-propan-3-oic acid

3. Amino hydroxy propionic acid

4. 2-Amino-3-hydroxy propanoic acid

In the reaction,

${\mathrm{CH}}_3\mathrm{CN}+2\mathrm{H}\underset{{\mathrm{SnCl}}_2}{\overset{\mathrm{HCl}}{\to }}X \stackrel{\mathrm{Boiling} {\mathrm{H}}_2\mathrm{O}}{\to } Y,$ the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine

RMgX on reacting with cyanogen chloride gives:

1. R-NC

2. R-Cl

3. R-CN

4. None of the above

X and Y in the given reaction are:

1. ${\mathrm{CH}}_3\mathrm{COOH} + ({\mathrm{CH}}_3{)}_2\mathrm{NH}$

2. ${\mathrm{CH}}_3{\mathrm{CONH}}_2 + {\mathrm{CH}}_3\mathrm{OH}$

3. ${\mathrm{CH}}_3\mathrm{CHO} + ({\mathrm{CH}}_3{)}_2\mathrm{NH}$

4. ${\mathrm{CH}}_3{\mathrm{COCH}}_3 + {\mathrm{CH}}_3{\mathrm{NH}}_2$

Which of the following is the strongest base ?

1. 

2. 

3. 

4. 

Primary, secondary and tertiary nitroalkanes can be identifier by the action of:

1. ${\mathrm{HNO}}_2 + \mathrm{NaOH}\left(aq\right)$

2. ${\mathrm{CHCl}}_3 + \mathrm{NaOH} \left(aq\right)$

3. ${\mathrm{CHCl}}_3 + \mathrm{KOH}(\mathrm{alc}.)$

4. none of these

Consider the following sequence of reactions

Compound[A]$\stackrel{\mathrm{Reduction}}{\to }$[B] $\stackrel{{\mathrm{HNO}}_3}{\to }{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ 

The compound [A] is

1. CH₃CH₂CN

2. CH₃NO₂

3. CH₃NC

4. CH₃CN