Which pair of substances gives same gaseous product, when th... | CHEMISTRY - GENERAL CHARACTERISTICS OF COMPOUNDS OF THE ALKALINE EARTH METALS | SolveeIt | Solveeit

Today, August 24

Question

Which pair of substances gives same gaseous product, when these react with water.

A

$Ca$ and $CaH_{2}$

B

$Na$ and $Na_{2}O_{2}$

C

$K$ and $KO_{2}$

D

$Ba$ and $BaO_{2}$

Answer

$Ca$ and $CaH_{2}$

Explanation

Solution

$Ca + 2H_{2}O \rightarrow Ca(OH)_{2} + H_{2}$

$CaH_{2} + 2H_{2}O \rightarrow Ca(OH)_{2} + 2H_{2}$