Question

Question No. 175
S
Which of the following is most difficult to dehydrate forming anhydride?
(A)
(B) CH2-COOH
COOH
COOH
CH2-COOH
(C) HOOC-(CH2)3-COOH (D) CH2 - CH2-COOH
CH2 - CH2-COOH​

Answer 1

Answer:

I used argon. I still don't know of any reason why Nitrogen wouldn't work, but ultimately I decided not to risk it.