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- #National Eligibility Cum Entrance Test
- #Some p-Block elements
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- #National Eligilibility Cum Entrance Test
Assertion: Group 18 elements are inert gases.
Reason: Group 18 elements have a complete outermost shell of electrons.
Both assertion and reason are true, and the reason is the correct explanation of the assertion.
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
The assertion is true, but the reason is false.
The assertion is false, but the reason is true.
Answers (1)
The correct answer is (A) Both assertion and reason are true and reason is the correct explanation of the assertion. Group 18 elements are also known as inert gases because they have a complete outermost shell of electrons, making them very stable and unlikely to react with other elements. Hence option A is the correct answer.
Option (B) is incorrect because it incorrectly states that the assertion is correct but the reason is incorrect. Both the assertion and reason are correct. Hence option B is incorrect.
Option (C) is incorrect because it incorrectly states that the assertion is incorrect but the reason is correct. The assertion is correct, and the reason is also correct. Hence option C is incorrect.
Option (D) is incorrect because it incorrectly states that both the assertion and reason are incorrect. Both the assertion and reason are correct. Hence option D is incorrect.
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