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Standard XII

Chemistry

Idea of Hybridisation

Assertion : ...

Question

Assertion : $P - C l$ bond in $P C l_{3}$ and $P C l_{5}$ had different bond energy. Reason: $P$ in $P C l_{3}$ and $P C l_{5}$ is $s p^{3} -$ hybridised.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
$P - C l$ bond in $P C l_{3}$ and $P C l_{5}$ had different bond energy.
P in $P C l_{3}$ is $s p^{3} -$ hybridised.and in $P C l_{5}$ is $s p^{3} d$ hybridised.

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Similar questions

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Q. Assertion : In the bonding molecular orbital (MO) of

H_{2}

, the electron density is increased between the nuclei.
Reason : The bonding MO is

ψ_{A} + ψ_{B}

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Assertion (A) Phenols give o-and p-nitrophenol on nitration with conc. $H N O_{3} a n d H_{2} S O_{4}$ mixture.
Reason (R) - OH group in phenol is o-,p-directing.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Statement-1 : In (cyclobutadiene) all C-C bond lengths are equal.

Statement-2 : Cyclobutadiene is aromatic and the

Π

orbitals are orthogonal to each other.

The Assertion and Reason are given, you are required to choose any one of the following four responses.

A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C) The Assertion is correct but Reason is incorrect

D) Both Assertion and Reason are incorrect

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :P−Cl bond in PCl3 and PCl5 had different bond energy. Reason: P in PCl3 and PCl5 is sp3− hybridised.

The correct option is C Assertion is correct but Reason is incorrectP−Cl bond in PCl3 and PCl5 had different bond energy. P in PCl3 is sp3− hybridised.and in PCl5 is sp3d hybridised.

Assertion : $P - C l$ bond in $P C l_{3}$ and $P C l_{5}$ had different bond energy. Reason: $P$ in $P C l_{3}$ and $P C l_{5}$ is $s p^{3} -$ hybridised.

The correct option is C Assertion is correct but Reason is incorrect
$P - C l$ bond in $P C l_{3}$ and $P C l_{5}$ had different bond energy.
P in $P C l_{3}$ is $s p^{3} -$ hybridised.and in $P C l_{5}$ is $s p^{3} d$ hybridised.