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

Assertion: The packing efficiency is maximum for the fcc structure.
Reason: The coordination number is 12 in fcc structures.
  • a)
    Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
  • b)
    Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
  • c)
    Assertion is true but Reason is false.
  • d)
    Assertion is false but Reason is true.
  • e)
    Assertion and Reason both are false.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Directions: In the question, A statement of Assertion (A) is followed ...
Assertion and reason both are correct statements but the reason is not correct explanation for assertion.
The correct explanation is
In fcc structure no. of atoms present = 4 per unit cell which provides a maximum packing efficiency of 74%.
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Directions: In the question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.Assertion: The packing efficiency is maximum for the fcc structure.Reason: The coordination number is 12 in fcc structures.a)Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.e)Assertion and Reason both are false.Correct answer is option 'B'. Can you explain this answer?
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Directions: In the question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.Assertion: The packing efficiency is maximum for the fcc structure.Reason: The coordination number is 12 in fcc structures.a)Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.e)Assertion and Reason both are false.Correct answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Directions: In the question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.Assertion: The packing efficiency is maximum for the fcc structure.Reason: The coordination number is 12 in fcc structures.a)Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.e)Assertion and Reason both are false.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Directions: In the question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.Assertion: The packing efficiency is maximum for the fcc structure.Reason: The coordination number is 12 in fcc structures.a)Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.b)Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.e)Assertion and Reason both are false.Correct answer is option 'B'. Can you explain this answer?.
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