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) Generally, ionisation enthalpy increases from left to right in a period.
Reason (R) wehn quantum level, the shielding effect fo inner core of electrons does not increase very much to compensate for the increased attraction of the electron to the nucleus.
(a) Assertion is correct statement and reason is wrong statement.
(b) assertion and reason both are correct statements and reason is correct explanation of assertion.
(c) Assertion and reason both are wrong statements.
(d) Assertion is wrong statement and reason is correct statement.

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Solution

(b). Assertion and reason both are correct statements and reason is the correct explanation of assertion ionisation enthalpy increases along a period because effective nuclear charge increases and atomic size decreases.

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Similar questions

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

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.

Assertion and Reason
In the following questions a statement of assertion (A) followed by a statement reason (R) is given. Choose the correct answer out of the following choice..
(a) Assertion and reason both are correct statements but reason does not explain assertion.
(b) Assertion and reason both are correct and reason explains asssWon.
(c) Both assertion and reason are Wrong statements.
(d) Assertion is correct statement reason is wrong statement.
(e) Assertion is wrong statement reason is correct statement.

Assertion (A) Sulpha drug contain sulphonamide group.
Reason (R) Salvarsan is a sulpha drug.

Assertion (A) Receptors are crucial to body's communication process.
Reason (R) Receptors are proteins.

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct statements and reason explains the assertion.
(b) Both assertion and reason are wrong statements.
(c) Assertion is correct statement and reason is wrong statement.
(d) Assertion is wrong statement and reason is correct statement.
(e) Assertion and reason both are correct statements but reason does not explain assertion.
Assertion (A) Vitamin D can be stored in our body.
Reason (R) Vitamin D is fat soluble vitamin.

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