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ChemistrySingle correct+4 / -1Question 70 of 90

JEE Main 2022 · 28 Jul · Shift 1, Chemistry question 70

Which of the following has least tendency to liberate H2\mathrm{H_2} from mineral acids ?

Choose one option
Answer and worked solution

Official answer: A

Copper has a positive reduction potential, so it does not liberate H2\mathrm{H_2} from mineral acids.

(A)

Topics:Galvanic cells and EMFTransition element properties
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