Question

When zinc reacts with sulphuric acid which gas evolved?

Answer 1

Answer:

hydrogen gas

Explanation:

because when active metal react with acid it dissociates hydrogen gas

Answer 2

Answer:

HYDROGEN HAS IS EVOLVED

Explanation:

HEY MATE

HERE IS YOUR ANSWER

Zn +H²SO⁴ = ZnSO⁴+H²

so H² HAS IS EVOLVED THIS IS THE REACTION BUT THIS REACTION ACTUALLY AN

DISPLACEMENT REACTION

WHEN ZN HAVE HIGHER STANDARD REDUCTION POTENTIAL VALUE AS COMPARED TO HYDROGEN

SO ZN DISPLACE HYDROGEN BY IT'S PLACE

AND BY MAKING ITS OXIDATION STATE FROM

0 TO +2 HIGHLY STABLE STATE OF ZN

AND AS BY PRODUCT H² GAS IS EVOLVED WHERE HYDROGEN OXIDATION STATE CHANGES FROM+1 TO 0

HOPE IT WILL HELP YOU

THANKS YOU