Explore topic-wise MCQs in Chemistry.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following element has the highest ionisation enthalpy?

A. Scandium
B. Vanadium
C. Copper
D. Zinc
Answer» E.
2.

Which of the following element has the highest density among transition metals?

A. Iridium
B. Osmium
C. Scandium
D. Chromium
Answer» B. Osmium
3.

Which of the following is not a very hard metal?

A. Chromium
B. Molybdenum
C. Tungsten
D. Zinc
Answer» E.
4.

What type of bond do the transition elements form with themselves?

A. Ionic bond
B. Covalent bond
C. Coordinate bond
D. Metallic bond
Answer» E.
5.

Which of the following is not a property of a transition metal?

A. They are lustrous
B. They are malleable
C. They are ductile
D. They have low boiling points
Answer» E.
6.

The decrease in atomic size of the d-block elements in a series is small after midway.

A. True
B. False
Answer» B. False
7.

Why is there an increase in the atomic radius of transition elements at the end of the period?a) Increased electron-electron repulsionsb) Decreased electron-electron repulsionsc) Increase in nuclear charged) Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?

A. Increased electron-electron repulsionsb) Decreased electron-electron repulsionsc) Increase in nuclear charged) Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?a) Actinoid contraction
B. Decreased electron-electron repulsionsc) Increase in nuclear charged) Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?a) Actinoid contractionb) Radioactive nature
C. Increase in nuclear charged) Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?a) Actinoid contractionb) Radioactive naturec) Lanthanoid contraction
D. Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?a) Actinoid contractionb) Radioactive naturec) Lanthanoid contractiond) Filled d-orbitalView Answer
Answer» B. Decreased electron-electron repulsionsc) Increase in nuclear charged) Increase in atomic mass 3.Which of the following iswhy the atomic radii of the second and third transition series are almost same?a) Actinoid contractionb) Radioactive nature
8.

The d-electrons affect the properties of the transition elements to a great extent.

A. True
B. False
Answer» B. False