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One mole of calcium phosphide on reactio...

One mole of calcium phosphide on reaction with excess of water gives

A

one mole of phosphine

B

two moles of phosphoric acid

C

two moles of phosphine

D

one mole of phosphorus penta- oxide

Text Solution

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The correct Answer is:
C
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MOTION-P-BLOCK ELEMENTS-Exercise - 1 Objective Problems | JEE Main
  1. HNO(3)+P(4)O(10) to HPO(3) + X in the above reaction the product X i...

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  2. CaO+CtoCaC(2)+CO overset(N(2))(to)A Compound A is used a/an

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  3. One mole of calcium phosphide on reaction with excess of water gives

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  4. NaH(2)PO(4)overset(230^(@)C)(to)Na(3)(P(3)O(9))overset(638^(@)C)(to)(N...

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  5. A sulphate of a metal (A) on heating evolves two gases (B) and ( C) an...

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  6. For artificial resperation x% of CO(2) is used with oxgen

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  7. The structures of O(3) and N(3)^(-) are:

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  8. When conc. H(2)SO(4) was teated with K(4)[Fe(CN)(6)], CO gas was evolv...

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  9. (A) +O(2)toX+Y+Z (Organic compound) Compound (A) is pure form does n...

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  10. An inorganic white crystalline compound (A) has a rock salt structrue ...

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  11. A gas which exists in three allotropic forms alpha,beta and gamma is :

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  12. There is no S-S bond in

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  13. Molecular shape of SF(4), CF(4) and XeF(4) are

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  14. Which is incorrectly matched?

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  15. When chlorine water is added to an aqueous solution of potassium halid...

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  16. The correct order of acid strength of oxyacids of chlorine is

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  17. Concentrated HNO(3) reacts with iodine to give:

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  18. Concentrated H(2)SO(4) cannot be used to prepare HBr from NaBr , becau...

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  19. When chlorine reacts with a gas X, an explosive inorganic compound Y i...

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  20. Which of the following is the correct order of acidic strength ?

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