MHT CET 2022 Chemistry question

How many moles of ethyl bromide is required for formation of 1 mole N, N-Diethylethanamine from ethylamine?

(A)1
(B)2Correct
(C)3
(D)4

Answer: (B)

Solution

N,N-Diethylethanamine is triethylamine, . Starting from ethylamine (one ethyl group already present), two more ethyl groups must be introduced by successive alkylation (nucleophilic substitution) with ethyl bromide: C_2H_5NH_2C_2H_5Br(C_2H_5)_2NH$ +

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Question ID VK-095925