Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: The first ionisation enthalpy decreases across a period.
Reason R: The increasing nuclear charge outweighs the shielding across the period.
In the light of the above statements, choose the most appropriate from the options given below:

[29-Jan-2024 Shift 1]

Question

Examsnet · Accepted Answer

Correct Answer is :  A is false but R is true

JEE Main 29-Jan-2024 Shift 1 Solved Paper