Assertion : All the three isotopes of hydrogen have almost the same chemical properties.
Reason : Isotopes differ from one another in respect of the presence of neutrons.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If both (A) and (R) are incorrect.

Answer

B

Explanation

Isotopes have almost the same chemical properties because they have the same electronic configuration.