The total number of lone pairs of electrons in is
Answer: 8
Solution
The structure of is . Counting lone pairs:
Total = 4 + 2 + 2 = 8 lone pairs.
- Terminal oxygen atoms (2): each has 2 lone pairs = 4 lone pairs
- Central oxygen: 2 lone pairs
- Nitrogen atoms (2): each has 1 lone pair = 2 lone pairs
Total = 4 + 2 + 2 = 8 lone pairs.
JEE Advanced · 2015 · 24 May 2015 · Paper 1 · Integer answer