| [A] Heavy water is used as moderator in nuclear reactors; |
| [B] Heavy water is more associated than ordinary water. |
| [C] Heavy water is more effective solvent than ordinary water. |
A) A and B
B) A, B and C
C) B and C
D) A and C
Correct Answer: A
Solution :
Heavy water is used as a moderator in nuclear reactors. Its boiling point is higher as compared to the ordinary water. Thus, it is more associated as compared to ordinary water. The dielectric constant is however higher for\[{{\text{H}}_{\text{2}}}\text{O,}\]thus, \[{{\text{H}}_{\text{2}}}\text{O}\] is a more effective solvent than heavy water \[\text{(}{{\text{D}}_{\text{2}}}\text{O)}\]
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