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Asseration:Although:Although PF(5),PCl(5...

Asseration:Although:Although `PF_(5),PCl_(5)` and `PBr_(5)` are known, the pentahalides of nitrogen have not been observed.
Reason: Phosphorus has lower electronegative than nitrogen.

A

If both asseration and reson are true and the reason is the correct explanation of the asseration.

B

If both asseration and reason are true ans the reason is the correct explanation of the asseration.

C

If asseration is true but reason is false.

D

If asseration is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B

If both asseration and reason are true but reason is not the correct explanation of the asseration.
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Explore conceptually related problems

Explain the following observations: Phosphorus has greater tendency for catenation than nitrogen.

PCl_(5) is known but NCl_(5) is not known. Or Nitrogen does not form pentahalide.

Knowledge Check

  • Although PF_5, PCl_5 and PBr_5 are known, the pentahalides of nitrogen have not been observed. Phosphorous has lower electronegativity than nitrogen.

    A
    Assertion `(A)` is true , Reason `( R)` is also true , Reason `( R)` is the correct explanation for Assertion `(A)`.
    B
    Assertion `(A)` is true , Reason `( R)` is true , Reason `( R)` is not the correct explanation for Assertion `(A)`.
    C
    Assertion `(A)` is true , Reason `(R )` is false.
    D
    Assertion `(A)` is false , Reason `( R)` is true.
  • Assertion : Pentahalides of phosphorus are known but not those of nitrogen. Reason : Phosphorus has lower electronegativity than nitrogen.

    A
    If both assertion and reason are correct and reason is correct explanation for assertion.
    B
    If both assertion and reason are correct but reason is not correct explanation for assertion.
    C
    If assertion is correct but reason is incorrect.
    D
    If both assertion and reason are incorrect.
  • Which of the following two oxides of nitrogen have 30.5% nitrogen?

    A
    NO
    B
    `NO_(2)`
    C
    `N_(2)O_(4)`
    D
    `N_(2)O_(5)`
  • Similar Questions

    Explore conceptually related problems

    PCI_(5) is known but NCI_(5) is not known. Or Nitrogen does not form pentahalide.

    Assertion : N_(2) is less reactive than P_(4) . Reason : Nitrogen has more electron gain enthalpy than phosphorus.

    Assertion : NH_(3) is less basic than PH_(3) Reason: Nitrogen is more electronegative than phosphorus.

    Assertion: PCI_(5) in aqueous medium is a better oxidant than NCl_(3) Reason: Phosphorous has vacant d-orbitals while nitrogen has not.

    Assertion: C_(2)H_(5)O is more reactive than C_(2)H_(5)CI . Reason: I being less electronegative than CI.