JEE Main 2024 Chemistry question
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 :
Answer: (B)
Solution
The assertion is false, because the first ionisation enthalpy generally increases across a period (with a few exceptions). The
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