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Question

Identify Y in the following reaction.
C2H5NH2HCl−−−NaNO2[X]H2OY
  1. C2H5N2Cl
  2. C2H5Cl
  3. C2H5OH
  4. C2H6

A
C2H5N2Cl
B
C2H5OH
C
C2H5Cl
D
C2H6
Solution
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Ethyl amine reacts with sodium nitrite and HCl in cold condition to form unstable diazonium salt (compound X) which decomposes to form ethanol (compound Y).

In this process, nitrogen gas is liberated.
The reaction is as follows:

C2H5NH2ethylamineHCl−−−NaNO2[C2H5N+2Cl][X]H2OC2H5OH[Y]

Hence, Y is C2H5OH.

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