Directions : In the following questions, A statement of Assertion (A) is followed by a statement of
Reason (R). Mark the correct choice as.

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

Both A and R are true and R is the correct explanation of A

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Both A and R are true but R is NOT the correct explanation of A

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A is true but R is false

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A is false and R is True

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Solution

The correct option is C A is true but R is false
Due to high bond dissociation energy of tripe bond between the two N atoms, nitrogen (N) is less reactive than $P_{4}$ and its electron gain enthalpy is less than phosphorus.

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Similar questions

Q. Directions : In the following questions, A statement of Assertion (A) is followed by a statement of
Reason (R). Mark the correct choice as.

Assertion (A) :

N_{2}

is less reactive than

P_{4.}

Reason (R) : Nitrogen has more electron gain enthalpy than phosphorus.

Q. Assertion :Assertion:

N_{2}

is less reactive than

P_{4}

Reason: Reason: Nitrogen has more electron gain enthalpy than phosphorus.

In the following question a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below in each question.
Boron has a smaller first ionisation enthalpy than beryllium.
Reason (R) The penetration of 2s electron to the nucleus is more than the 2p electron hence 2p electron is more shielded by the inner core of electrons than th e2s elelctrons.
(a) Assertion and reason both the correct statement but reson is not correct explanation for assertion.
(b) Assertion is correct statement but reason is wrong statement.
(c) Assertion and reason both are are corect statement and reason is correct eplanation for assertion.
(d) assertion and reason both are wrong statements

Q. 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}

In the following question a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below in each question.
Assertion (A) Electron gain enthalpy becomes less negative as we go down a group.
Reason. (R) size fo the atom inscreses on going down the group and the added electron would be farther from the nucleus.
(a) Assertion and reason both are correct statement but reason is not correct explanation for assertion.
(b) assertion and reason both are correct statements and reason is correct explanation for assertion .
(c) Assertion and reason both are wrong statements.
(d) Assertion is wrong statement but reason is correct statement.

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Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as. Assertion (A) : N2 is less reactive than P4. Reason (R) : Nitrogen has more electron gain enthalpy than phosphorus.

The correct option is C A is true but R is falseDue to high bond dissociation energy of tripe bond between the two N atoms, nitrogen (N) is less reactive than P4 and its electron gain enthalpy is less than phosphorus.

Directions : In the following questions, A statement of Assertion (A) is followed by a statement of
Reason (R). Mark the correct choice as.

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

The correct option is C A is true but R is false
Due to high bond dissociation energy of tripe bond between the two N atoms, nitrogen (N) is less reactive than $P_{4}$ and its electron gain enthalpy is less than phosphorus.