Learn

Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceAssertion–reasonMediumConceptual

JEE Main 27 July 2022, Shift 2, Chemistry Q68

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

Given below are two statements : one is labelled as **Assertion (A)** and the other is labelled as **Reason (R)**. **Assertion (A) :** Boron is unable to form BF63−\mathrm{BF_6^{3-}}. **Reason (R) :** Size of B is very small. In the light of the above statements, choose the **correct** answer from the options given below :
  1. (1)Both **(A)** and **(R)** are true and **(R)** is the correct explanation of **(A)**
  2. (2)Both **(A)** and **(R)** are true but **(R)** is **not** the correct explanation of **(A)**Official answer
  3. (3)**(A)** is true but **(R)** is false
  4. (4)**(A)** is false but **(R)** is true

Official answer

Option 2

NTA final key.

Chapter
The p-Block Elements
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.