P-Block Elements Ques 542
Question: Which of the following has the minimum heat of dissociation:
Options:
A) $ {{( CH_3 )}_3}N:\to BF_3 $
B) $ {{(CH_3)}_3}N:\to B{{(CH_3)}_2}F $
C) $ {{(CH_3)}_3}N:\to B{{(CH_3)}_3} $
D) $ {{( CH_3 )}_3}N:\to B( CH_3 )F_2 $
Show Answer
Answer:
Correct Answer: C
Solution:
Due to +I effect of methyl groups the Lewis character of $ B{{(CH_3)}_3} $ decreases and coordination becomes weaker.