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ChemistryNEET 2023

Chemistry question

Which of the following statements are not correct?

A. Hydrogen is used to reduce heavy metal oxides to metals.

B. Heavy water is used to study reaction mechanisms.

C. Hydrogen is used to make saturated fats from oils.

D. The H–H bond dissociation enthalpy is the lowest compared to a single bond between two atoms of any element.

E. Hydrogen reduces oxides of metals that are more active than iron.

Choose the most appropriate answer from the options given below:

  1. A.B, C, D, E only
  2. B.B, D only
  3. C.D, E only✓
  4. D.A, B, C only

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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