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H(3)PO(2) is the molecular formula of an...

`H_(3)PO_(2)` is the molecular formula of an acid of phosphorus. Its name and basicity respectively are

A

Metaphosphorous acid and one

B

Hypophosphorous acid and one

C

Metaphosphoric acid and two

D

Hypophosphoric acid and two

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • H_3PO_2 is the molecular formula of an acid of phosphorus. Its name and basicity respectively are

    A
    phosphorous acid and two
    B
    hypophosphorous acid and two
    C
    hypophosphorous acid and one
    D
    hypophosphoric acid and two.

  • H_(3)PO_(2) has the name and basicity respectively:

    A
    phosphorus acid and two
    B
    hypophosphorus acid and two
    C
    hypophosphorus acid and one
    D
    hypophosphoric acid and two

  • H_(3)PO_(3) is ..... acid

    A
    Monobasic
    B
    Dibasic
    C
    Tribasic
    D
    None

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    What is the basicity of phosphorus acid ?

    The molecular formula of ethanoic acid is C_(2)H_(4)O_(2) . Its empirical formula is

    Phosphorous forms two types of oxyacids, one having phosphorous in +1 or +3 oxidation state and other having phosporous in +1 or +3 oxidation state and other having phosphorous in +4 or +5 oxidation state. Phosphorous acids act as reducing agents as they tend to disproportionate. The important oxyacids of phosphorous are: H_(3)PO_(2),H_(3)PO_(3),H_(3)PO_(4),HPO_(3),H_(4)P_(2)O_(6),H_(4)P_(2)O_(7) . The number of OH group or groupds in oxoacids of phosphorous decides the basicity of the acid. Basicity of H_(3)PO_(2) is:

    H_3 PO_3 , phosphorus acid is

    The molecular mass of H_(3)PO_(3) is 82. Its equivalent mass, if it is completely neutralised, is:

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