What is formed when zinc reacts with sodium hydroxide

Asked by admin @ 10/08/2021 in Science viewed by 374 People

What is formed when zinc reacts with sodium hydroxide?

(a) Zinc hydroxide and sodium
(b) Sodium zincate and hydrogen gas
(c) Sodium zinc-oxide and hydrogen gas
(d) Sodium zincate and water

Answered by admin @ 10/08/2021

Answer:

[b]

Explanation:

Zinc will react with Sodium Hydroxide to from Sodium Zincate. In this reaction Zinc will not displace sodium from sodium hydroxide, but will displace Hydrogen as shown below:

2NaOH+Zn⟶Na

ZnO

This reaction is accompanied by evolution of Hydrogen gas.

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