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Red phosphorus is less reactive than yel...

Red phosphorus is less reactive than yellow phosphorus because

A

Its colour is red

B

It is highly polymerised

C

It is tetratomic

D

It is hard

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The correct Answer is:
B
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Explore conceptually related problems

Give reasons for the following: (a) Red phosphorus is less reactive than white phosphorus. (b) Electron gain enthalpies of halogens are largely negative. (c) N_(2)O_(5) is more acidic than N_(2)O_(3) .

Assertion : white phosphorus is more reactive than red phosphorus Reason: Red phosphorus consists of P_(4) tetrahedral units linkage to one another to form linear chains.

Why is red phosphorus less reactive than white phosphorus ?

Red phosphorus is reactive than white phosphorus as red phosphorus is poltmeric and consists of the of P_(4) units.

Assertion : White phosphorus is more reactive than red phosphorus. Reason : It readily catches fire in air to give dense white fumes of P_(4)O_(10) .

Assertion: Red phophorus is less volatile then white phosphorus. Reason: Red phosphorus has a discrete tetrahedral structure.

CENGAGE CHEMISTRY-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
  1. Addition of conc. HNO3 to conc. H2 SO4 gives

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  2. The reaction between NH2^(Ө) and N2 O gives

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  3. Red phosphorus is less reactive than yellow phosphorus because

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  4. Aqua regia is

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  5. The number of steps, in which orthophosphoric acid is ionised, are

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  6. Phosphorous is usually extracted from

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  7. PCl5 is kept in well stopered bottles because

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  8. The BCl3 is a polar molecule whereas NCl3 is pyramidal because

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  9. N2 forms NCl3 whereas P can form both PCl3 and PCl5. Why ?

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  10. Cl-P-Cl bond angles in PCl5 molecule are

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  11. Hyarolysis of NCl3 gives NH3 and X. Which of the following is X ?

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  12. Chlorine reacts with excess of ammonia to form.

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  13. The following are some statements related to group 15 hydrides. (i) ...

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  14. The atomicity of phosphorus is X and the P-P-P bond angle is Y. What a...

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  15. The reaction of P with X leads selectively to P4 O6. X is

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  16. Atoms in P4 molecule of white phosphorus are arranged regularly in the...

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  17. Phosphine, acetylene and ammonia can be formed by treating water with

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  18. The cyanide ion CN and N(2) are isoelectronic, but in contrast to CN^(...

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  19. Nitrogen forms N(2) but phosphorous when forms P(2) gets readily conve...

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  20. In NO(3)^(-) ion, the number of bond pair and lone pair of electrons o...

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