JEE CHEMISTRY MCQ: SOLID STATE

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Select the incorrect statement

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Correct option: D

Density of crystal always increases due to substitutional impurity defect

Option C (

1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^{10}},4{s^2}4{p^6}4{d^{10}},5{s^2}5{p^6}

) is correct because it represents a complete octet in the outermost shell, characteristic of noble gases.

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