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Calcium carbide reacts with heavy water ...

Calcium carbide reacts with heavy water to form

A

`C _(2) D _(2)`

B

`Ca D _(2)`

C

`Ca D _(2) O `

D

`CD _(2)`

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The correct Answer is:
A
`Ca C _(2)` when reacts with water molecule to form acetylene. Similarly, it reacts with `D _(2)O` to form `C _(2) D _(2) Ca C _(2) + 2 D _(2) O to C _(2) D _(2) + Ca (OD) _(2)`
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