NEET Chemistry Hydrogen Questions Solved

At absolute zero.

(A) Only para hydrogen exists

(B) Only ortho hydrogen exists

(C) Both para and ortho hydrogen exist

(D) None of these

(A).  The % of para form increases if the temperature is lowered and at absolute zero only para

        form having lowest internal energy exists.

Difficulty Level:

  • 36%
  • 29%
  • 31%
  • 6%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 22, 2019)