Identify the molecule 
with maximum number of lone pairs of electrons (obtained using Lewis dot structure) among 
and 
. Choose the correct bond angle made by the central atom of the molecule 
.
Text Solution
Verified by ExpertsB
Analyzing lone pairs on central atoms:
: N is central with 3 bonds and 0 lone pairs
: S is central with 4 bonds and 0 lone pairs
: N is central with 3 bonds and 1 lone pair
: Central O with 2 bonding regions and 1 lone pair
has maximum lone pairs (1) with the clearest structure. N undergoes 
hybridization with 1 lone pair and 3 bonding pairs giving trigonal pyramidal geometry. The F-N-F bond angle is reduced from ideal tetrahedral 
due to lone pair repulsion, resulting in approximately 
.
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