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Sodium when dropped in water catches fir...

Sodium when dropped in water catches fire because

A

it has higher atomic mass

B

it is a metal

C

it is highly electropositive is nature

D

the hydrogen gas evolved in the reaction is combustible in nature.

Text Solution

Verified by Experts

The correct Answer is:
D
`Na+H_(2)OrarrNaOH+1//2H_(2)`. As the reaction is highly exothermic therefore hydrogen evolved catches fire.
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