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Question

The least electropositive metal among the following is :

A
Au
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B
Mg
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C
Al
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D
Zn
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Solution

The correct option is A Au
Electropositivity increases down the group and decreases along the period (left to right).
Au is present at the rightmost among the given element in the periodic table and also Au is the least reactive metal. Therefore least electropositive metal is Au.
Hence, option A is correct.

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