GUJCET 2022 Chemistry Solved Paper

Question : 38 of 40

Marks: +1, -0

Which statement is incorrect from the following?

' $ {\Cd}$ ' is not consider as transition element
Atomic sizes of elements of ' $4 d^{'}$ ' series is greater than corresponding elements of ' 3 d' series
$ {\CrO}$ is basic, but $ {\Cr}_2 {\O}_3$ is amphoteric
Atomic sizes of elements of '5d' series is greater than corresponding ' $4 d^{\;\text "' "\;}$ series

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