Assertion :Enthalpy of formation of $H C l$ is equal to the bond energy of $H C l$ . Reason: Enthalpy of formation and bond energy both involve formation of one mole of $H C l$ from the elements.

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 D Both Assertion and Reason are incorrect
$Option D is correct.$

$Enthalpy of formation of any compound is not only depends upon bond energy but also depends upon$ $many other types of energy. Eg: Sublimation energy,energy required due to change in phase etc.$

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Similar questions

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Q. Assertion :Enthalpy of formation of

H C l

is equal to bond energy of

H C l

. Because Reason: Enthalpy of formation and bond energy both involve the formation of one mole of

H C l

from the elements.

Assertion (A) The enthalpy of reaction remains constant in the presence of a catalyst.

Reason (R) A catalyst participating in the reaction forms different activated complex and lowers down the activation energy but the difference in enrgy of reactant and product remains the same.

Q. Read the assertion and reason carefully to mark the correct option out of the options given below:

(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 assertion is false but reason is true.
Assertion : EV(M

^{2 +}

/M) value for copper is positive (+0.34V).
Reason : High ionization enthalpy and low heat of hydration energy

Assertion (A) Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R) Addition of water in acidic medium proceeds through the formation of primary carbocation.
(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 :Enthalpy of formation of HCl is equal to the bond energy of HCl. Reason: Enthalpy of formation and bond energy both involve formation of one mole of HCl from the elements.

The correct option is D Both Assertion and Reason are incorrectOption D is correct.Enthalpy of formation of any compound is not only depends upon bond energy but also depends upon many other types of energy. Eg: Sublimation energy,energy required due to change in phase etc.

Assertion :Enthalpy of formation of $H C l$ is equal to the bond energy of $H C l$ . Reason: Enthalpy of formation and bond energy both involve formation of one mole of $H C l$ from the elements.

The correct option is D Both Assertion and Reason are incorrect
$Option D is correct.$

$Enthalpy of formation of any compound is not only depends upon bond energy but also depends upon$ $many other types of energy. Eg: Sublimation energy,energy required due to change in phase etc.$