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Calcium phosphide reacts with water or d...

Calcium phosphide reacts with water or dil. HCl and give a compound 'X', which fails to react with HCl but produces dense white fumes with `HI (g)` due to formation of 'Y'. Compound X and Y respectively

A

`X = PH_(3) and Y = PH_(4)I`

B

`X = NaH_(2)PO_(2) and Y = H_(3) PO_(2)`

C

`X = PH_(4^(+)) and Y = PH_(4)I`

D

`X = PH_(3) and Y = H_(3)PO_(2)`

Text Solution

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The correct Answer is:
A
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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 1 (Part-II : Only one option correct type)
  1. H(2)S burns in O(2) to form

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  2. PH(3) ("anhydrous") + HBr ("anhydrous") rarr X. Identify X ?

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  3. Calcium phosphide reacts with water or dil. HCl and give a compound 'X...

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  4. N(2) underset("Haber's Process")overset(H(2))rarrX underset("Oslwald's...

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  5. Sulphur trioxide can be obtained by which of the following reactions :

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

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

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  8. Which of the following oxides of Nitrogen is Neutral

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

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  10. Following are neutral oxides except :

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  11. Aqueous solution of SO(2) is a

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  12. Which of the following oxides is the most acidic?

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  13. The correct order of decreasing acidic strength of oxyacids of group 1...

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  14. Industrial preparation of nitric acid by Ostwald's process involves.

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  15. Which of the following is the most powerful oxidising agent:

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  16. When P(4)O(10) is dissolved in water, the acid formed finally is :

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  17. Which of the following reactions depict the oxidising behaviour of H(2...

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  18. The order of stability of halides of sulphur with different halogens i...

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  19. Ammonia reacts with excess of chlorine to form

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  20. A yellow coloured crystalline substance gave a colourless gas X on rea...

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