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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceOtherMediumRecall

JEE Main 6 April 2024, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

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 covalance of C is 4 whereas other elements can expand their covalance due to presence of d orbitals. (D) Heavier elements do not form pπp\pi-pπp\pi bonds. (E) Carbon can exhibit negative oxidation states. Choose the correct answer from the options given below :
  1. (1)(A) and (B) Only
  2. (2)(C) and (D) Only
  3. (3)(A), (B) and (C) Only
  4. (4)(C), (D) and (E) OnlyOfficial answer

Official answer

Option 4

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 4 Apr 2026, Shift 1 · Q59Given below are two statements: Statement I: The covalency of oxygen is generally two but it can exceed upto four. The oxidation state of…MediumTwo statements

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.