Assertion :Cu liberates $H_{2}$ (g) from a dilute solution of HCl. Reason: Hydrogen is below Cu in the electro-chemical series.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Both (A) and (R) are incorrect.

Correct (A) : Pure $C u$ does not liberate $H_{2}$ (g) from dilute $H C l$ solution.
Correct (R) : $C u$ is below hydrogen in the electrochemical series.

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Assertion :Cu liberates H2 (g) from a dilute solution of HCl. Reason: Hydrogen is below Cu in the electro-chemical series.

The correct option is D Both Assertion and Reason are incorrectBoth (A) and (R) are incorrect.Correct (A) : Pure Cu does not liberate H2 (g) from dilute HCl solution.Correct (R) : Cu is below hydrogen in the electrochemical series.

Assertion :Cu liberates $H_{2}$ (g) from a dilute solution of HCl. Reason: Hydrogen is below Cu in the electro-chemical series.

The correct option is D Both Assertion and Reason are incorrect
Both (A) and (R) are incorrect.

Correct (A) : Pure $C u$ does not liberate $H_{2}$ (g) from dilute $H C l$ solution.
Correct (R) : $C u$ is below hydrogen in the electrochemical series.