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N(2) gas will not be evolved upon reacti...

`N_(2)` gas will not be evolved upon reaction of `HNO_(2)` with which of the following amines ?

A

`1^(@)`

B

`2^(@)`

C

`3^(@)`

D

Both b and c

Text Solution

Verified by Experts

The correct Answer is:
D
Primary amines form alcohols with nitrous acid `(NaNO_(2)+HCl)`. Nitrogen gas (with brisk effervescence) is eleminated and clear solution is obtained which is not so in the case of secondary and tertiary amines.
`underset(1^(@)"amine")(RNH_(2))+HONOrarrunderset("Alcohol")(ROH)+N_(2)uparrow+H_(2)O`
`underset(2^(@)"amine")(R_(2)NH)+HONOrarrunderset("N-Nitrosodialkylamine")(R_(2)N NO+H_(2)O)`
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[A],[b],[C],[D],[E],[F] ,and[G] are amines,each of which forms a hydrochloride containing 32.42% chloride. [A],[B],[C] and,[D]evole N_(2) on reaction with HNO_(2) but [E],[F],and[G] do not. Which of the following does not represent the structure of (E),)F), and (G)?

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ERRORLESS -NITROGEN CONTAINING COMPOUNDS -PREPARATION OF NITROGEN CONTAINING COMPOUNDS
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