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 ;
Select the correct option:
A
Both (A) and (R) are correct but (R) Is not the correct explanation of (A)
B
Both (A) and (R) are correct and (R) is the correct explanation of (A)
C
(A) is true but ( R) is false
D
(A) is false but (R) is true
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solid Boron has very strong crystalline lattice so its melting point unusually high in group 13 elements
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