Question

Give reason ethyl iodide undergoes sn2 reaction faster than ethyl bromide

Answer 1

Reactivity of iodine is higher and breaking of bond between ethyl and iodine is easier as compared to bromine.

Answer 2

Explanation:

• Basicity decreases with increase in size
• Iodine is a better leaving group  

Thus ethyl iodide undergoes SN2 reaction faster than ethyl bromide

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