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The statement that is NOT correct is...

The statement that is NOT correct is

A

Hypophosphorous acid reduces silver nitrate to silver

B

In solid state `PCI_5` exists as `[PCl_4]^(+) [PCl_6]^(-)`

C

Pure phosphine is non-inflammable

D

Phosphorous acid on heating disproportionates to give metaphosphoric acid and phosphine

Text Solution

Verified by Experts

The correct Answer is:
C
Pure phosphine is non inflameable . It catches fire when heated to 423 K.
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SUNSTAR PUBLICATION-K-CET-CHEMISTRY-2014-MULTIPLE CHOICE QUESTIONS
  1. Match the reactant in Column - I with the reaction in Column - II

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  2. The statement that is NOT correct is

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  3. In which one of the pairs of ion given, there is an ion that forms a c...

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  4. A crystalline solid X reacts with dil HCI to liberate a gas Y. Y decol...

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  5. An aromatic compound 'A'(C7H9N) on reacting with NaNO2 // HCl at 0^(...

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  6. The statement that is NOT correct is

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  7. A solution of 1.25 g of 'P' in 50 g of water lowers freezing point by ...

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  8. Volume occupied by single CsCl ion pair in a crystal is 7.014 xx 10^(-...

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  9. For Cr2O7^(2-) + 14 H^(+) + 6e^(-) to 2Cr^(+3) + 7H2O, E^(@) = 1.33 V ...

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  10. 1.78 g of an optically active L-amino acid (A) is treated with NaNO2//...

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  11. 10 g of a mixture of BaO and CaO requires 100cm^(3) of 2.5 M HCl to r...

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  12. The ratio of heats liberated at 298 K from the combustion of one kg of...

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  13. Impure copper containing Fe, Au, Ag as impurities is electrolytically ...

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  14. 25 cm^(3) of oxalic acid completely neutralised 0.064 g of sodium hydr...

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  15. The statement that is NOT correct is

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  16. For the equilibrium: CaCO(3(s)) iff CaO((s)) + CO(2(g)) , Kp = 1.64 at...

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  17. Conversion of oxygen into ozone is non-spontaneous at

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  18. Density of carbon monoxide is maximum at

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  19. The acid strength of active methylene group in A) CH3COCH3COOC2H5 B) C...

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  20. A metallic oxide reacts with water to from its hydroxide, hydrogen per...

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