Verified Solution • 2025–26 Session
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QJEEM20Ch82f0: JEE Main 2020 Chemistry - Class 12 JEEM20Ch82f0 Solution: 5 g of zinc is treated separately with an excess of (a) dilute…
5 g of zinc is treated separately with an excess of
(a) dilute hydrochloric acid and
(b) aqueous sodium hydroxide.
The ratio of the volumes of H2 evolved in these two reactions is :
(a) dilute hydrochloric acid and
(b) aqueous sodium hydroxide.
The ratio of the volumes of H2 evolved in these two reactions is :
Multiple Choice Options
- A 1:02
- B 1:01
- C 1:04
- D 2:01
Step-by-Step Verified Solution
Zn + 2dil. HCl
Zn + 2NaOH
From one mole of Zn, 1 mol of H2 is produced by both NaOH and HCl.
The ratio of the volume of H2 is 1 : 1
Zn + 2NaOH
From one mole of Zn, 1 mol of H2 is produced by both NaOH and HCl.
The ratio of the volume of H2 is 1 : 1