Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Medium-Class 12
Which metal exhibits a positive standard electrode potential (E V), indicating its inability to liberate hydrogen from acids?
A
Copper
B
Iron
C
Nickel
D
Zinc
Correct Answer
Option A
Detailed Explanation
Copper has a unique behavior with a positive E V, which prevents it from liberating H2 from acids. Instead, it only reacts with oxidizing acids like nitric acid and hot concentrated sulfuric acid.
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