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 H3PO2. 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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