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Phoshine is evolved upon heating ....

Phoshine is evolved upon heating _________.

A

phosphoric acid

B

phosphorus acid

C

calcium phosphide in a current of hydrogen

D

Heating acetic acid with `P_2O_5`

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The correct Answer is:
B
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TARGET PUBLICATION-p-BLOCK ELEMENTS-CRITICAL THINKING
  1. Which of the following is one of the products formed when NH(3) reacts...

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  2. One mole of calcium phosphide on reaction with excess of water give:

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  3. Phoshine is evolved upon heating .

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  4. Which of the following pairs of gases is used to prepare Holme's signa...

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  5. Which statement is FALSE regarding NH(3) and PH(3) ?

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  6. Among the following , the CORRECT statement is .

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  7. Bottle of PCl(3) is kept stoppered because it

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  8. When PCl(3) reacts with H(2)SO(4) , sulphuryl chloride (SO(2)Cl(2)) is...

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  9. The hybridisation undergone by P in PX(3) and PX(5) are respectively.

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  10. Which of the following statements is INCORRECT for the structure of PC...

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  11. The final product of hydrolysis of P(4)O(10) is .

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  12. Which of the following oxoacids of phosphorus contains a P-P bond?

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  13. The melting point of oxygen is very low compare to that of sulphur be...

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  14. Polonium possess lower melting and boiling points than tellurium due t...

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  15. In the compound TeF(4) , the hybridisation of Te is .

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  16. The CORRECT increasing order of dipole moments of the following is .

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  17. The number of unpaired electrons in the p-subshell of oxygen atom

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  18. it is possible to obtain oxygen from air by fractional distillation be...

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  19. Which statement is INCORRECT among the following ?

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  20. Rhombic sulphur consists of

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