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1 mol alcohol reacts with Na to give wha...

1 mol alcohol reacts with Na to give what weight of hydrogen ?

A

1 g

B

2 g

C

3 g

D

3.5 g

Text Solution

Verified by Experts

The correct Answer is:
A
`underset(1 "mol")underset(2"mol")(2C_(2)H_(5)OH) + 2Na to 2 C_(2)H_(5)ONa + underset((1)/(2) "mol")underset(1"mol")(H_(2))`
The weight of `(1)/(2)` mol `H_(2) = (2)/(2)`g = 1 g
Thus , 1g `H_(2)` is produced when 1 mole of alcohol reacts with Na.
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