In iron, the differentiating electrons enter into the orbital of a penultimate shell.

True

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False

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Solution

The correct option is A True
In iron, the differentiating electrons enter the orbital of a penultimate shell. so iron shows variable valency.
Hence, the given statement is true.

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In iron, the differentiating electrons enter into the orbital of a penultimate shell.

The correct option is A TrueIn iron, the differentiating electrons enter the orbital of a penultimate shell. so iron shows variable valency.Hence, the given statement is true.

The correct option is A True
In iron, the differentiating electrons enter the orbital of a penultimate shell. so iron shows variable valency.
Hence, the given statement is true.