Q.
Assertion(A): In modern periodic table ionization enthalpy decreases of group 1 by going down group Reason(R): Screening effect increases by going down in a group
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a
Both A and R are true
b
A is true R is false
c
A is False R is true
d
Both A and R are false
answer is A.
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Detailed Solution
Down the group number of shells increases screening effect increases ionization enthalpy decreases
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