4.6 gram ethanol when reacts with sodium metal _________ is formed.

Options

A. 11.2 litre `H_2` at STP
B. 1.12 litre `H_2` at STP
C. 1.12 litre `O_2` at STP
D. 11.2 litre `H_2` at STP

Answer

B

Explanation

`{:(C_2H_2OH, +, Na , to, C_2H_5ONa, +, 1/2H_2),(" 1 Mole",,"1 Mole",,"1 Mole",,1/2 "Mole"),(46g,,23g,,,,"11.2L at STP"),(4.6g,,,,,,"1.12L at STP"):}`
( 1 mole of `H_2` at STP has 22.5 L vol.)