The number of hydrogen atoms attached to phosphorous atom in hypo phosphorus acid is

zero

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two

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one

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three

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Solution

The correct option is C
one

Structure of hypo phosphorus acid is

Suggest Corrections

	Column - I		Column - II
(A)	Hypo phosphoric acid	(p)	All hydrogen are ionizable in water
(B)	Pyro phosphoric acid	(q)	Lewis acid
(C)	Boric acid	(r)	Monobasic in water
(D)	Hypo phosphorus acid	(s)	$s p^{3}$ hybridized central atom