JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 25 June 2022, Shift 1, Chemistry Q65

Question 65 of 90 in this shift, Chemistry question 5 of 30, Section A.

Number of electron deficient molecules among the following

\mathrm{PH_3}

\mathrm{B_2H_6}

\mathrm{CCl_4}

\mathrm{NH_3}

\mathrm{LiH}

and

\mathrm{BCl_3}

(1)0
(2)1
(3)2Official answer
(4)3

Official answer

Option 3

NTA final key.

Chapter: The p-Block Elements
Topic: Group 13 & 14
Idea tested: Diborane Structure

Same idea in other shifts

Asked 4× in all

24 Jun 2022, Shift 1 · Q70Identify the correct statement for $\mathrm{B_2H_6}$ from those given below. (A) In $\mathrm{B_2H_6}$ , all B-H bonds are equivalent. (B)…MediumOther
25 Feb 2021, Shift 1 · Q37The correct statement about $\mathrm{B_2H_6}$ is :MediumSingle correct
22 Jul 2021, Shift 2 · Q39Given below are the statements about diborane. (a) Diborane is prepared by the oxidation of $\mathrm{NaBH_4}$ with $\mathrm{I_2}$ . (b)…MediumOther

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 108 of the 174 JEE Main shifts held from 2017 to 2026.