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Which of the following acids is monobasi...

Which of the following acids is monobasic?

A

Hypophosphorous acid `(H_(3)PO_(2))`

B

Orthophosphoric acid `(H_(3)PO_(4))`

C

Pyrophosphoric acid `(H_(4)P_(2)O_(7))`

D

Hypophosphoric acid `(H_(4)P_(2)O_(6))`

Text Solution

Verified by Experts

The correct Answer is:
A

Hypophosphorous acid `(H_(3)PO_(2))`
It has one replaceable hydrogen.
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RESONANCE-P BLOCK ELEMENTS-Exercise 1 part 2 objective que
  1. The hydribes of group 15 elements act as :

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  2. The basic strength of the hydrides of group 15 elements :

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  3. Which of the following acids is monobasic?

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  4. Red and white phosphorus will differ but not in:

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  5. Compound used in safety matches is :

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  6. The high reactivity and low volatility of white phosphorous is due to:

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  7. Which of the following oxides is amphoteric in nature?

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  8. Which of the following is least reactive?

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  9. ….is obtained when ammonium dichromate is heated.

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  10. In the ostwald's process, nitric acid is prepared by the catalytic oxi...

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  11. NH(4)Cl(s) is heated in test tube.Vapours are brought in contract with...

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  12. Which of the following combines with Fe^(2+) ions to form brown comple...

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  13. NO(2) can be prepared by heating :

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  14. The wrong statement about N(2)O is :

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  15. Following are neutral oxides except :

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  16. HNO(3)+P(4)O(10) to HPO(3) + X in the above reaction the product X i...

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  17. Cold solution of barium nitrite on mixing with sulphuric acid produces...

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  18. Nitric acid usually turns yellow on standing.This is due to

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  19. Concentrated nitric acid oxidises phosphours (P) into:

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  20. Which of the following metals does not dissolve in concentrated HNO(3)...

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