Q.

The element which forms a basic oxide has the atomic number of

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a

19

b

18

c

17

d

14

answer is D.

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Detailed Solution

D – 19 – K, potassium forms metal oxide which is basic in nature. Remaining all A – 18 – Ar, B – 17 – Cl, C – 14 – Si are non metals which form non metal oxides, generally they are acidic in nature.

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