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When 1 mole of a substance (X) was treat...

When 1 mole of a substance `(X)` was treated with an excess of water, 2 moles of readily combustible gas were produced along with solution which when reacted with `CO_(2)` gas produced a white turbidity. The substance `(X)` could be

A

Ca

B

`CaH_(2)`

C

`Ca(OH)_(2)`

D

`Ca(NO_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`CaH_(2)+2H_(2)OtoCa(OH)_(2)+2H_(2)`
`Ca(OH)_(2)+CO_(2)toCaCO_(3)+H_(2)O`
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