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Chemistry · d and f Block Elements

JEE Main 2024 — 4 April, Shift 1 — Question 69

The element which shows only one oxidation state other than its elemental form is :

  1. Option A:

    Cobalt

  2. Option B:

    Scandium

    Correct
  3. Option C:

    Titanium

  4. Option D:

    Nickel

Answer: B

Step-by-step solution

Co,Ti,Ni\mathrm{Co}, \mathrm{Ti}, \mathrm{Ni} can show +2,+3+2,+3 and +4 oxidation state, But 'Sc' only shows +3 stable oxidation state.

Answer key and solution verified before publishing.

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Exam
JEE Main 2024
Paper
4 April, Shift 1
Subject
Chemistry
Chapter
d and f Block Elements
Topic
Introduction and Properties of Transition Elements

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