Assertion: Metallic character of first group metals of Mordern periodic table increase on moving down the group.
Reason: On moving top to bottom in first group in Modern periodic table, value of ionisation enthalpy continuously decreases.
A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If the assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.
