Chemistry · p-Block (I) (Grp. 13, 14)
JEE Main 2024 — 6 April, Shift 2 — Question 72
Evaluate the following statements related to group 14 elements for their correctness.
(A) Covalent radius decreases down the group from C to Pb in a regular manner.
(B) Electronegativity decreases from C to Pb down the group gradually.
(C) Maximum covalence of C is 4 whereas other elements can expand their covalence due to presence of d orbitals.
(D) Heavier elements do not form bonds.
(E) Carbon can exhibit negative oxidation states.
Choose the correct answer from the options given below:
- Option A:Correct
(C),(D) and (E) Only
- Option B:
(A) and (B) Only
- Option C:
(A), (B) and (C) Only (4)
- Option D:
(C) and (D) Only
Answer: A
Step-by-step solution
A) Down the group; radius increases
(B) EN does not decrease gradually from C to Pb .
(C) Correct.
(D) Correct.
(E) Range of oxidation state of carbon ; -4 to +4
Answer key and solution verified before publishing.
Practise p-Block (I) (Grp. 13, 14)
Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.
- Exam
- JEE Main 2024
- Paper
- 6 April, Shift 2
- Subject
- Chemistry
- Chapter
- p-Block (I) (Grp. 13, 14)
- Topic
- Introduction & Properties of Group 14: Carbon Family