Question
Question: In which of the following pairs of first species is more stable than second....
In which of the following pairs of first species is more stable than second.
A
,
B
, 
C
, 
D
, 
Answer
,
Explanation
Solution
–ve charge is more stable on more electronegative atom and +ve charge should on less electronegative atom. Species with complete octet around each atom in reasonating structure is more stable. Linear conjugation is more stable than cross conjugation.