NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

1 Hard

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Understanding +4 | -1

Which of the following is/are correct statement(s) for the addition of

{Li}, {K}, {Rb}

to the aqueous solution of

{Na}^{+}

.

(i) The correct order of metals in which they reduce the

{Na}^{+}

ion is

{Rb} < {K} < {Li}

.

(ii) Reduction of metal ions would not take place.

View answer and explanation

Correct option: C

Statement (ii) is correct only.

Option C is correct. Statement (ii) is correct because

{Na}^{+}

is already a stable ion and further reduction by

{Li}, {K}, {Rb}

is not favorable due to their higher reduction potentials compared to sodium.

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