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Which of the following statements are ...

Which of the following statements are correct regarding `D_(2)O` and `H_(2)O`?
I. `D_(2)O` reacts with `Al_(4)C_(3)` at a faster rate than does `H_(2)O`.
II. The freezing point of `D_(2)O`is higher than that of `H_(2)O`.
III. NaCl is more solution in `D_(2)O` than in `H_(2)O`.
IV. lonic product of `D_(2)O` is smaller than that if `H_(2)O`.
Select the correct answer using the codes givem below.

A

I and II

B

I and III

C

II and III

D

II and IV

Text Solution

Verified by Experts

The correct Answer is:
D
`D_(2)O` reacts slower than `H_(2)O` due to greater mass, its freezing point is `3.8^(@)C`. NaCl is less soluble in `D_(2)O` as I `H_(2)O` and `D_(2)O` does not dissociate therefore, its ionic product is smaller than `H_(2)O`.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-HYDROGEN -EXERCISE 2
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