The only element that exhibits positive SRP value is _______

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Solution

The correct option is D Cu
The unique behaviour of Cu,having a positive SRP, accounts for its inability to liberate $H_{2}$ from acids.

Only oxidising acids (nitric and hot concentrated sulphuric) react with Cu,the acids being reduced.

The high energy to transform $C u (s)$ to $C u^{2 +} (a q)$ is not balanced by its hydration enthalpy.

Option D is correct.

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Similar questions

Consider the elements:

Cs, Ne, I and F

(a) Identify the element that exhibits only negative oxidation state.

(b) Identify the element that exhibits only postive oxidation state.

(d) Identify the element which exhibits neither the negative nor does the positive oxidation state.

C s, N e, I

F

Consider the elements:
Cs, Ne, I and F
Identify the element that exihibits only negative oxidation state.

Identidy the elements that exihibits only positive oxidation state.

Identify the element that exhibits both positive and negative oxidation states.

Identify the element which exihibits neither the negative nor does the positive oxidation state

2

0

1

C s, N e, I

F

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