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KCET2008ChemistryHydrogen

Hydrogen gas is not liberated when the following metal is added to dil HCl

Options

  1. AAg
  2. BZn
  3. CMg
  4. DSn

Correct answer

A. Ag

Step-by-step solution

The metals, present below hydrogen in the electrochemical series, cannot liberate hydrogen from the dilute acids. Among the given metals only Ag is present below hydrogen in electrochemical series, so it does not evolve hydrogen with dil HCl. Ag + dil HCl No reaction

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