Which of the following elements can be prepared by heating the oxide above $400^{o} C$ ?

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Solution

The correct option is A Hg
As $Δ G$ is least negative for Hg among all metals above $400^{0} C$ temp. So, Hg can be prepared by heating the oxide above $400^{0} C$ .

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Which of the following elements can be prepared by heating the oxide above 400oC?

The correct option is A HgAs ΔG is least negative for Hg among all metals above 4000C temp. So, Hg can be prepared by heating the oxide above 4000C.

Which of the following elements can be prepared by heating the oxide above $400^{o} C$ ?

The correct option is A Hg
As $Δ G$ is least negative for Hg among all metals above $400^{0} C$ temp. So, Hg can be prepared by heating the oxide above $400^{0} C$ .