209

You visited us 209 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Other Synthesis Methods

Which of the ...

Question

Which of the following compounds reacts with $N a N O_{2}$ and $H C l a t 0 - 4^{o} C$ to give alcohol/ phenol ?

C_{6} H_{5} N H_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C_{2} H_{5} N H_{2}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C H_{3} N H C H_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C_{6} H_{5} N H C H_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $C_{2} H_{5} N H_{2}$
Aliphatic primary amines react with $N a N O_{2} a n d H C l$ to yield alcohols.
$C_{2} H_{5} N H_{2} + H N O_{2} (N a N O_{2} + H C l) \to C_{2} H_{5} O H + N_{2} + H_{2} O$

Suggest Corrections

Similar questions

Q. Which of the following reacts with

N a N O_{2} + H C l

to give phenol

Q. Arrange the following in the increasing order of their

p K_{b}

values.

C_{6} H_{5} N H_{2}, C_{2} H_{5} N H_{2}, C_{6} H_{5} N H C H_{3}

Q. Point out the correct decreasing order of

p K_{b}

values of following amines:

C_{2} H_{5} N H_{2}

C_{6} H_{5} N H C H_{3},

(C_{2} H_{5})_{2} N H

and

C_{6} H_{5} N H_{2}

Q. Which of the following reacts with

N a N O_{2} + H C l

followed by warming with water to give phenol?

Arrange the following:

(i) In the decreasing order of the $p K_{b}$ values
$C_{2} H_{5} N H_{2}, C_{6} H_{5} N H C H_{3}, (C_{2} H_{5})_{2} N H$ and $C_{6} H_{5} N H_{2}$

(ii) In increasing order of basic strength:
$C_{6} H_{5} N H_{2}, C_{6} H_{5} N (C H_{3})_{2}, (C_{6} H_{5})_{2} N H a n d C H_{3} N H_{2}$

(iii) In increasing order of basic strength:
(a) Aniline, p-nitroaniline and p-toluidine
(b) $C_{6} H_{5} N H_{2}, C_{6} H_{5} N H C H_{3}, C_{6} H_{5} C H_{2} N H_{2}$

(iv) In decreasing order of basic strength in gas phase :

$C_{2} H_{5} N H_{2}, (C_{2} H_{5})_{2} N H, (C_{2} H_{5})_{3} N a n d N H_{3}$

(v) In increasing order of boiling point:

$C_{2} H_{5} O H, (C H_{3})_{2} N H, C_{2} H_{5} N H_{2} .$

(vi) In increasing order of solubility in water :

$C_{6} H_{5} N H_{2}, (C_{2} H_{5})_{2} N H, C_{2} H_{5} N H_{2} .$

Join BYJU'S Learning Program

Which of the following compounds reacts with NaNO2 and HClat0−4oC to give alcohol/ phenol ?

The correct option is B C2H5NH2Aliphatic primary amines react with NaNO2andHCl to yield alcohols. C2H5NH2+HNO2(NaNO2+HCl)→C2H5OH+N2+H2O

Which of the following compounds reacts with $N a N O_{2}$ and $H C l a t 0 - 4^{o} C$ to give alcohol/ phenol ?

The correct option is B $C_{2} H_{5} N H_{2}$
Aliphatic primary amines react with $N a N O_{2} a n d H C l$ to yield alcohols.
$C_{2} H_{5} N H_{2} + H N O_{2} (N a N O_{2} + H C l) \to C_{2} H_{5} O H + N_{2} + H_{2} O$