Class 12 NEET Chemistry Electrochemistry Questions

We know that,
1 Faraday charge liberates 1 eq. of substance. This is the Faraday Law.
eq. wt. of Al=

27

3

=9
no. of eq. of Al=

wt.of‌Al

eq. wt.

=

4.5

9

=0.5
no. of Faraday required =0.5
⇒ no. of eq. of H2 produced =0.5 eq.
Volume occupied by 1 eq. of H2=

22.4

2

=11.2L
⇒ Volume occupied by 0.5 eq. of H2=11.2×0.5 =5.6L at STP