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Q.

H3PO2 is the formula for one of the phosphorus acids. Its name and basicity are respectively 

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a

hypophosphoric acid and two 

b

phosphorous acid and two 

c

 hypophosphorous acid and two 

d

hypophosphorous acid and one 

answer is C.

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Detailed Solution

  • H3PO2 is named as hypo phosphorous acid.  
  • As it contains only one P−OH group, its basicity is one.
  • H3PO2 is the molecular formula of an acid of phosphorus, Its name and basicity respectively are
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