D And F Block Elements Mock Tests

44 questions available

D And F Block Elements Mock Test 1

Questions: 30

D And F Block Elements Mock Test 2

Questions: 14

Sample Questions

JEE Main Chemistry

The oxidation state of Cr in Cr₂O₇²⁻ is:

A +3

B +4

C +6

D +2

JEE Main Chemistry

The number of unpaired electrons in the ground state of a transition metal ion with a d⁶ configuration in a weak field ligand environment is:

A 4

B 0

C 2

D 6

JEE Main Chemistry

The colour of transition metal compounds is due to:

A charge transfer

B d-d electron transition

C p-s electron transition

D s-p electron transition

JEE Main Chemistry

The oxidation state of Cr in Cr₂O₇²⁻ is:

A +3

B +4

C +5

D +6

NEET Chemistry

Which of the following explains the catalytic property of transition metals?

A High ionization energy

B Ability to adopt multiple oxidation states and form complexes

C Large atomic size

D Paramagnetic nature

Class 12 Chemistry

Which of the following oxides of transition metals is the most acidic?

A MnO

B MnO₂

C Mn₂O₃

D Mn₂O₇

JEE Main Chemistry

How many electrons are present in the d orbitals of Cu²⁺ (atomic number of Cu = 29):

A 8

B 9

C 10

D 4

JEE Main Chemistry

Which of the following is the correct order of acidic character among the oxides?

A TiO₂ < V₂O₅ < CrO₃

B CrO₃ < V₂O₅ < TiO₂

C V₂O₅ < CrO₃ < TiO₂

D TiO₂ < CrO₃ < V₂O₅

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