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P Block Elements question

2024 · 27 Jan · Shift 1 · Q13
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P Block Elements question

2024 · 27 Jan · Shift 1 · Q13

JEE MainChemistryP Block ElementsMCQ+4 / −1
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 elements. Reason (R) : Solid Boron has very strong crystalline lattice. In the light of the above statements, choose the most appropriate answer from the options given below ;
  1. A
    Both (A) and (R) are correct but (R) Is not the correct explanation of (A)
  2. B
    Both (A) and (R) are correct and (R) is the correct explanation of (A)
  3. C
    (A) is true but (R) is false
  4. D
    (A) is false but (R) is true
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