Question

$Na$ + $O_2$ $\to$ $Y$

$Y$ + $H_{2}O$ $\to$ $Z$

The commercial name of Z is _________.

• A. Caustic potash
• B. Caustic Soda
• C. Natrium Hydroxide
• D. Potassium hydroxide

Answer 1

The correct option is B

Caustic Soda

When sodium oxide reacts with water, sodium hydroxide (NaOH) is formed. This is commonly known as caustic soda.

$4Na$ + $O_2$ $\to$ $2N{a}_{2}O$

$N{a}_{2}O$ + $H_{2}O$ $\to$ $2NaOH$