First slide

Hydrogen

Question

Hydrogen gas is prepared in the laboratory by

Easy

A

electrolysis of acidified water using platinum electrodes
B

action of zinc with dilute HCl
C

reaction of steam on hydrocarbons
D

controlled oxidation of hydrocarbons.

Solution

Hydrogen gas is prepared in the laboratory by the action of zinc with dilute HCl.
$\large Zn\; + \;\mathop {HCl}\limits_{[dil]} \; \to \;ZnC{l_2}\; + \;{H_2} \uparrow$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App