The type of isomerism shown by C₆H₅CN and C₆H₅NC is:

1. Position

2. Functional

3. enantiomer

4. Tautomerism

The product D in the following sequence of reactoins is, 

${\mathrm{CH}}_3\mathrm{COOH} \stackrel{{\mathrm{NH}}_3}{\to } A \stackrel{\mathrm{Heat}}{\to } B \stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to } C \stackrel{\mathrm{Na} + {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\to } D$ :

1. Ester

2. Amine

3. Acid

4. Alcohol

Aniline in a set of reactions yielded a product

[2005]

The structure of the product D would be

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

2.  ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NHCH}}_2{\mathrm{CH}}_3$

3. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{NHOH}$

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

What is the decreasing order of the basicity of $1°, 2° \mathrm{and} 3°$ ethyl amines (in aquous) and ammonia ?

1. ${\mathrm{NH}}_3>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}$

2. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>{\mathrm{NH}}_3$

3. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>{\mathrm{NH}}_3$

4. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>{\mathrm{NH}}_3$

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