Assertion :Heavy nuclides tend to have more number of neutrons than protons. Reason: In heavy nuclei, as there is coloumbic repulsion between protons, so excess of neutrons are preferable.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
For stability of heavy nuclei, there are more number of neutrons than protons, so that coloumbic repulsion between protons does not de-stabilize the nuclei.

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Similar questions

Assertion (A) Bond angle in ethers is slightly less than the tetrahedral angle.
Reason (R) There is a repulsion between the two bulky (- R) groups.
(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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Q. Assertion: The impurities such as

{SiO}_{2}

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Reason:

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Assertion :Heavy nuclides tend to have more number of neutrons than protons. Reason: In heavy nuclei, as there is coloumbic repulsion between protons, so excess of neutrons are preferable.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionFor stability of heavy nuclei, there are more number of neutrons than protons, so that coloumbic repulsion between protons does not de-stabilize the nuclei.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
For stability of heavy nuclei, there are more number of neutrons than protons, so that coloumbic repulsion between protons does not de-stabilize the nuclei.