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Reactivity with Air and Water (Group 2)

Which of the ...

Question

Which of the following alkali metals has the highest tendency for the half reaction?

A

Sodium

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B

Lithium

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C

Potassium

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D

Caesium

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Solution

The correct option is B Lithium
Among alkali metals, lithium has most negative standard reduction potential (-3.04 V). Hence it has highest tendency for half reaction.

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