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Question

The metal that cannot be produced on reduction of its oxide by aluminium is:

A
K
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B
Mn
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C
Cr
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D
Fe
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Solution

The correct option is D K
From the Image, it can be seen that,
as reduction potential of K is lower than Al. So, it can not reduce K ion and K metal cannot be
produced by reduction of its oxide by aluminium.

166298_182149_ans.jpg

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