Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): The E° value for the Cu2+/Cu couple is positive. | Reason (R): The high energy required to transform Cu(s) to Cu2+ (aq) is not balanced by its hydration enthalpy.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true, but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
The positive E° value for Cu2+/Cu is due to the high energy needed to transform Cu(s) to Cu2+ (aq), which is not compensated by the hydration enthalpy, as explained in the NCERT context.
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