Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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46.

How many pi bonds and how many lone pairs are there in Lewis structure of hydrazine N2H4?

A: 2 pi bonds, 0 lone pairs
B: 1 pi bond, 0 lone pairs
C: 1 pi bond, 1 lone pair
D: 0 pi bond, 2 lone pair

The answer is: D