Chemistry-
General
Easy
Question
KI in acetone, undergoes 
reaction with each of P, Q, R and S The rates of the reaction vary as –
P) 
Q) 
R) 
S) 
- P > Q > R > S
- S > P > R > Q
- P > R > Q > S
- R > P > S > Q
The correct answer is: S > P > R > Q
It is reaction so back side attack is possible
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