p-Block Elements | JEE Main 2024 Solution

JEE MAIN 2024

27-01-2024 SHIFT-1

Question

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:

Both (A) and (R) are correct but (R) Is not the correct explanation of (A)

Both (A) and (R) are correct and (R) is the correct explanation of (A)

(A) is true but ( R) is false

(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

Question Tags

JEE Main

Chemistry