p-block | JEE-Main 2024 solution | Given below are the

JEE MAIN 2024

30-01-2024 S1

Question

Given below are the two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).
Assertion (A): There is a considerable increase in covalent radius from N to P. However from As to Bi only a small increase in covalent radius is observed.
Reason (R): covalent and ionic radii in a particular oxidation state increases down the group.
In the light of the above statement, choose the most appropriate answer from the options given below:

Select the correct option:

(A) is false but (R) is true

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

(A) is true but (R) is false

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

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

According to NCERT,
Statement-I : Factual data,
Statement-II is true.
But correct explanation is presence of completely filled d and f-orbitals of heavier members

Question Tags

JEE Main

Chemistry

Easy

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