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Can the covalency of oxygen be 4 ? Why not? Cant it form two coordinate bonds with the two lone pairs it has?
Asked by sumayiah2000 | 31 Mar, 2019, 00:14: AM
answered-by-expert Expert Answer
C o v a l e n c y space i s space t h e space n u m b e r space o f space e l e c t r o n s space s h a r e d space w i t h space o t h e r space a t o m left parenthesis s right parenthesis space t o space f o r m space a space c o v a l e n t space b o n d. T h e space m a x i m u m space i s space 3 space f o u n d space i n space c a s e space o f space O z o n e space left parenthesis O subscript 3 right parenthesis I t space c a n n o t space h a v e space a space v a l u e space o f space 4 space b e c a u s e space a f t e r space l o s s space o f space 3 r d space e l e c t r o n space O space a c q u i r e s space plus v e space c h r g e w h i c h space m a k e s space i t space m o r e space e l e c t r o n e g a t i v e space a n d space t h u s space t h e space i o n i z a t i o n space e n e r g y space f o r space t h e space 4 t h space e l e c t r o n space i n c r e a s e s space t o space a space l a r g e space v a l u e. S a m e space w i l l space b e space t h e space r e a s o n space w h y space O space a t o m space c a n n o t space f o r m space t w o space c o o r d i n a t e space b o n d s space a t space a space t i m e.
Answered by Sumit Chakrapani | 31 Mar, 2019, 01:53: AM

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