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Chemistry · p-Block (I) (Grp. 13, 14)

JEE Main 2024 — 1 February, Shift 2 — Question 74

Given below are two statements, one is labelled as Statement I and the other is labelled as Statement II.

Statement (I) : SiO2\mathrm{SiO}_{2} and GeO2\mathrm{GeO}_{2} are acidic while SnO and PbO are amphoteric in nature.

Statement (II) : Allotropic forms of carbon are due to property of catenation and pπ−dπ\mathrm{p} \pi-\mathrm{d} \pi bond formation.

In the light of the above statements, choose the most appropriate answer from the options given below:

  1. Option A:

    Both Statement I and Statement II are false

  2. Option B:

    Both Statement I and Statement II are true

  3. Option C:

    Statement I is true but Statement II is false

    Correct
  4. Option D:

    Statement I is false but Statement II is true

Answer: C

Step-by-step solution

Statement I is True: In Group 14, SiO2\mathrm{SiO_2} and GeO2\mathrm{GeO_2} are acidic oxides, whereas SnO\mathrm{SnO} and PbO\mathrm{PbO} are amphoteric in nature. This is due to the increase in metallic character down the group. Statement II is False: The allotropy of carbon is mainly due to its strong catenation property. pπp\pi -dπd\pi bonding is not responsible for allotropy because carbon does not have vacant dd-orbitals. Thus, Statement I is true but Statement II is false (Option C).

Answer key and solution verified before publishing.

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Exam
JEE Main 2024
Paper
1 February, Shift 2
Subject
Chemistry
Chapter
p-Block (I) (Grp. 13, 14)
Topic
Comparisons between the different compounds formed by Group 14 elements
Given below are two statements, one is labelled as Statement I and… | JEE Main 2024 PYQ with Solution · DhiX AI