Question

Assertion: Copper liberates hydrogen from a solution of dilute hydrochloric acid.
Reason: Hydrogen is above copper in the electro- chemical series.
A. If both assertion and reason are correct and reason is correct explanation for assertion.
B. If both assertion and reason are correct but reason is not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. If assertion and reason both are incorrect.

Answer 1

Correct Answer - D
(d) Correct assertion : Copper does not liberate hydrogen from dilute HCl.
Correct reason : Hydrogen is placed below copper in the activity series. Only the metals placed below hydrogen can liberate hydrogen from dilute HCl