Verified Solution • 2025–26 Session moderate

QJEEM19Chd261: JEE Main 2019 Chemistry - Class 11 JEEM19Chd261 Solution: The metal that gives hydrogen gas upon treatment with both acid …

The metal that gives hydrogen gas upon treatment with both acid as well as base is :

Multiple Choice Options

  • A mercury
  • B zinc
  • C iron
  • D magnesium

Step-by-Step Verified Solution

Zn + 2HCl → ZnCl2 + H2

Zn + NaOH → Na2ZnO2 + H2

Here zinc(Zn) is amphoteric metal, that is why it reacts with both acid and base.

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