Q.

List–I

List–II

A)

H3PO2

1)

Dibasic acid

B)

H3PO3

2)

Monobasic acid

C)

P4O10

3)

Tribasic acid

D)

NO2  

4)

Anhydride of H3PO4

 

 

5)

Mixed Anhydride

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a

A-2 , B-1, C-1 , D-5

b

A-2 , B-1, C-4 , D-5

c

A-2 , B-1, C-4 , D-3

d

A-2 , B-1, C-3 , D-4

answer is B.

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Detailed Solution

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H3PO2

- Monobasic acid

H3PO3

- Dibasic acid

P4O10

- Anhydride of H3PO4

NO2  

- Mixed Anhydride

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