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The number of hydroxyl group in pyropho...

The number of hydroxyl group in pyrophosphoric acid is

A

3

B

4

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-15TH GROUP ELEMENTS-Level-II (C.W)
  1. Two oxides of Nitrogen, NO and NO(2) reacts together at 253 K and form...

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  2. Oxidation state of +1 for phosphorus is found in

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  3. The number of hydroxyl group in pyrophosphoric acid is

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  4. H(3)PO(2) is the molecular formula of an acid of phosphorus. Its name ...

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  5. The acid that forms primary, secondary and tetiary phosphates is

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  6. Which of the following is not an acidic salt ?

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  7. The reducing strength of oxyacid of the Phosphorous depends on

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  8. Regarding H(3)PO(5) the wrong statement is

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  9. The following are some statements about HNO(2) I) Its undissociated...

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  10. The statements regarding oxyacids of phosphorous are I) HPO(3) molec...

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  11. Which pair of oxyacids of phophorous containm 'P-H' bonds ?

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  12. A & B are two gases 'A' is identified with the glass rod dipped in NH(...

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  13. Nesslers reagent is used to detect trace amounts of ammonia. Its formu...

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  14. Cyanamide process is used to prepare

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  15. Conc. HNO(3) is treated with iron. The metal is passive because

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  16. 4Zn+10HNO(3)rarr4Zn(NO(3))(2)+NH(4)NO(3)+3H(2)O. In this reaction one ...

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  17. [CaO.Ca(NO(3))(2)] is the chemical composition of the substance, commo...

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  18. Which of the following is not correct ?

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  19. Assertion (A) : P(4) is more reactive than N(2) Reason (R) : P-P bon...

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  20. Assertion (A) : Bismuth compounds are stable +V oxidation state than i...

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