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Chemistry · Periodicity of Elements and Periodic Properties

JEE Main 2024 — 4 April, Shift 1 — Question 70

Number of elements from the following that can not form compounds with valencies which match with their respective group valencies is \qquad . B, C, N, S, O, F, P, Al, Si

  1. Option A:

    7

  2. Option B:

    5

  3. Option C:

    6

  4. Option D:

    3

    Correct

Answer: D

Step-by-step solution

N,O, F can't extend their valencies upto their group number due to the non-availability of vacant 2d like orbital.

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Exam
JEE Main 2024
Paper
4 April, Shift 1
Subject
Chemistry
Chapter
Periodicity of Elements and Periodic Properties
Topic
Valency, Diagonal Relationship, Inert Pair Effect & Other Miscellaneous Properties

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