The P Block Elements - Result Question 16

####16. The structural formula of hypophosphorous acid is

[1997] (a)O=P

(c)O=P(O)(O)O

(b)O=PHO

(d)O=PHO

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Solution:

  1. (a) We know that empirical formula of hypophosphorus acid is $H_3 PO_2$. In this only one ionisable hydrogen atom is present i.e. it is monobasic. Therefore option (a) is correct structural formula of it.


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