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Q.

Assertion (A): Iron exhibits two valencies 2 and 3.

Reason (R): Iron in its lower valence is called Ferrous.

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a

A is correct and R is incorrect.

b

Both A and R are correct and R is the correct explanation of A.

c

A is incorrect and R is correct.

d

 Both A and R are correct but R is not correct explanation of A.                          

answer is B.

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Detailed Solution

Iron exhibits two valencies 2 and 3

Iron in its lower valency 2, is named as Ferrous.

Iron in its higher valency 3, is named as Ferric.

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