JEE Main Chemistry question

Chemistry Haloalkanes and Haloarenes JEE Main

[IIT 2004] The correct order of reactivity of PhMgBr with (I) Ph–CO–Ph, (II) CH₃–CO–H, (III) CH₃–CO–CH₃ is

(A)I > II > III
(B)III > I > II
(C)II > III > ICorrect
(D)II > I > III

Answer: (C)

Solution

As with Grignard addition generally, the least hindered and most electrophilic carbonyl reacts fastest: the aldehyde (II) first,

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-140324