Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Given below are two statements.
Assertion
A
The second ionisation energies of 
and 
are in the order 
.
Reason (R) Ionisation energies slightly increases along a period with increase in atomic number.
choose the correct answer from the options given below .
Both A and R are true but R is not the correct explanation of
.
and are in the order . Reason (R) Ionisation energies slightly increases along a period with increase in atomic number.
choose the correct answer from the options given below .
Both A and R are true but R is not the correct explanation of
. B
Both 
and 
are true and 
is the correct explanation of 
.
and are true and is the correct explanation of . C
is true but 
is false. D
is false but 
is true.
Text Solution
Verified by ExpertsThe correct answer is:
D
A is false but R is true. The correct form of A is The second ionisation energies of 
and 
are in the order of 
.
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