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Which of the following is correct?...

Which of the following is correct?

A

In the castner's process of sodium extraction, NaCl is used as an electrolyte

B

Sodium reduces `CO_(2)` to carbon

C

Mg reacts with cold water and liberate hydrogen gas

D

Magnalium is an alloy of Mg and Zn

Text Solution

Verified by Experts

The correct Answer is:
B
Alkali metals are electropositive, hence, they can reduce `CO_(2)`. Therefore,
`4Na+3CO_(2)to2Na_(2)CO_(3)+C`
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