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Assertion NF(3) is weaker ligands than N...

Assertion `NF_(3)` is weaker ligands than `N(CH_(3))_(3)`
Reason `NF_(3)` ionises to give `F^(Θ)` ions in aqueous solution .

A

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

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
It is correct statement that `NF_3` is a weaker ligand than `N(CH_3)_3` , the reason is that fluorine is highly electronegative therefore, it withdraw electrons from nitrogen atom. Hence, the lone pair of nitrogen atom cannot be ligated. While` N(CH_3)_3` is a strong ligand because `CH_3` has electron releasing group.
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The question consist of two statements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses: Assertion: NF_3 is weaker ligand than N(CH_3)_3 . Reason: NF_3 ionizes to give F^(-) ions in aqueous solution.

Statement-1: NF_(3) is a weaker ligand than N(CH_(3))_(3) . Statement-2: NF_(3) ionises to give F^(-) ions in aqueous solution.

(SiH_(3)) is a weaker base than (CH_(3))_(3) N. Explain.

Knowledge Check

  • Assertion. NF_(3) is weaker ligand than N(CN_(3))_(3) . Reason. NF_(3) ionizes to give F^(-) ions in aqueous solution.

    A
    If both assertion and reason are true, but reason is not the true explanation of the assertion
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion
    C
    If assertion is true, but reason is false
    D
    If both assertion and reason are false

  • Assertion. NF_(3) is a weak ligand than N(CH_(3))_(3) . Reason. NF_(3) ionises to give F^(-) ion in aqueous solution.

    A
    If both assertion and reason are true, and reason is the correct explanation of the assertion.
    B
    If both assertion and reason are ture, but reason is not the correct explanantion of the assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason are false

  • Assertion. NF_(3) is a weak ligand than N(CH_(3))_(3) . Reason. NF_(3) ionises to give F^(-) ion in aqueous solution.

    A
    If both assertion and reason are true, and is the correct explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the correct explanation of the assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason are false