Q66 of 97 Page 142

Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?

RMgX + H₂O → RH + Mg(OH)X

Grignard’s reagent are highly reactive and on contact with even slight traces of water, form the corresponding hydrocarbon.

Which of the following compounds would undergo S_N1 reaction faster and why?

(A)

(B)

Allyl chloride is hydrolysed more readily than n-propyl chloride. Why?

How do polar solvents help in the first step in S_N1 mechanism?

Write a test to detect the presence of double bond in a molecule.