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Which of the following statements is inc...

Which of the following statements is incorrect ?

A

`alpha` - Black phosphorus is formed by heating red phosphorus.

B

`beta`- Black phosphorus does not burn in air upto 875 K.

C

White phosphorus readily catches fire in air to give dense fumes of `P_(4)O_(10)`

D

Red phosphorus does not react with caustic alkalies.

Text Solution

Verified by Experts

The correct Answer is:
B
`beta-`Black phosphorus does not burn in air upto 673 K. Upon further heating, it does catch fire.
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Multiple Choice Questions Bank MCQ
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  8. In which pair of ions both the species contains S - S bond?

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  9. Which of the following is not true for halogens ?

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  10. Which one is the correct observation when Br(2) is treated with NaF, N...

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  11. Which of the following is true for N(2)O(5) ?

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  12. Which of the following statements is incorrect ?

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  15. 1 mol of N(2)H(2) loses 14 moles of electrons to from a new compound X...

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  20. Consider the following halides : (I) BF(3) " " (II) BCl(3) ...

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