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Solution


Q.

Amongst the following, the total number of species not having eight electrons around central atom in its outermost shell, is          [2023]

NH3,AlCl3,BeCl2,CCl4,PCl5
1 4  
2 1  
3 3  
4 2  

Ans.

(3)

AlCl3,BeCl2 and PCl5 do not have eight electrons around central atom in their outermost shells.