Q.

Statement-I:- IP1 of Zn> IP1 of CuStatement-II:- Atomic size of Zn> Atomic size of Cu

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a

Statements I and II are correct

b

Statement I is correct and statement II is incorrect

c

Statement I is incorrect and statement II is correct

d

Statements I and II are incorrect

answer is A.

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Detailed Solution

Due to stable configuration4s23d10 of zinc, its IP1is higher than that of Cu4s13d10;Both copper and zinc have d10 configuration. Due to this completely filled subshell the electron cloud in these two elements expands more than expected.They have larger atomic size than expected;A.R of Ni
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