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For H(3)PO(3) and H(3)PO(4) the correct ...

For `H_(3)PO_(3)` and `H_(3)PO_(4)` the correct choice is

A

`H_(2)PO_(3)` is dibasic and resucing

B

`H_(3)PO_(3)` is dibasic and non-reducing

C

`H_(3)PO_(4)` is tribasic and reducing

D

`H_(3)PO_(3)` is tribasic and non-reducing

Text Solution

Verified by Experts

The correct Answer is:
A

`H - O - underset(underset(O)(darr))overset(overset(H)(|))(P) - PH`, hence it is dibasic. It acts as reducing agent also.
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ERRORLESS -SOME BASIC CONCEPTS OF CHEMISTRY-JEE Section (Only one choice correct answer)
  1. The reaction 3ClO^(-)(aq)rarrClO(3)^(-)(aq)+2Cl^(-)(aq) an example of ...

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  2. An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 m...

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  3. In the standardization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodomet...

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  4. How many moles of electrons weigh one kilogram?

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  5. A mixture x containing 0.02 mol of [Co(NH(3))(5) SO(4)]Br and 0.02 mol...

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  6. For H(3)PO(3) and H(3)PO(4) the correct choice is

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  7. When MnO(2) is fused with KOH, a coloured compound is formed, the prod...

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  8. The product of oxidation of I^(-) with MnO(4)^(-) in alkaline medium i...

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  9. The pair of the compounds in which both the metals are in the highest ...

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  10. Consider a titration of potassium dichromate solution with acidified M...

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  11. Oxidation states of the metal in the minerals haematite and magnetite,...

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  12. Which ordering of compounds is according to the decreasing order of th...

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  13. The reaction of white phosphorus with aqueous NaOH gives phosphine alo...

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  14. In which of the following reactions H(2)O(2) acts as reducing agent? ...

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  15. The ratio of masses of oxygen and nitrogen in a particular gaseous mix...

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  16. The equation which is balanced and represents the correct product(s) i...

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  17. 1g of a carbonate (M(2)CO(3)) on treatment with excess HCl produces 0....

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