Q.

Match List-I with List-II:           List-I                                                List-II          Name of oxo acid                               Oxidation state of ‘P’          (a) Hypophosphorous acid                  (i) +5          (b) Orthophosphoric acid                    (ii) +4          (c) Hypophosphoric acid                     (iii) +3          (d) Orthophosphorous acid                 (iv) +2                                                                   (v)  +1           Choose the correct answer from the option given below:

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a

(a)-(v), (b)-(iv),(c)-(ii),(d)(iii)

b

(a)-(iv) , (b)-(i),(c)-(ii), (d)-(iii)

c

(a)-(iv), (b)-(v), (c)-(ii),(d)-(iii)

d

(a)-(v), (b)-(i),(c)-(ii),,(d)-(iii)

answer is D.

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Detailed Solution

a) Hypo phosphorous acid H3PO2 +1             b) Ortho phosphoric acid  H3PO4 +5c) Hypo phosphoric acid H4P2O6 +4               d) Ortho phosphorous acid H3PO3 +3
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