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Chemistry Transition Elements Online Mcqs Test

Mustansar KhanLast Updated: October 15, 2025

Start your preparation for Chemistry Transition Elements Online Mcqs Test. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Chemistry Transition Elements Question and Answer

Total Questions:	49
Time Allowed:	30 Minutes
Total Marks:	49
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Chemistry Transition Elements Practice Test Online With Explanation

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1. What is the general electronic configuration of transition elements?

ns²(n–1)d¹–¹⁰

ns¹(n–1)d⁵

ns²np⁶

ns²np⁶nd¹–¹⁰

2. Why do transition metals act as good catalysts?

They form unstable products

They can change oxidation states

They are non-reactive

They provide surface for reaction

3. Which of the following transition metals is liquid at room temperature?

Nickel

Chromium

Iron

Mercury

4. Which element shows the highest melting point among transition metals?

Silver

Copper

Iron

Tungsten

5. Which of the following is a characteristic property of transition elements?

They form colorless compounds

They are all radioactive

They are all non-metals

They have variable oxidation states

6. Which element does not show variable oxidation states?

Zinc

Vanadium

Copper

Iron

7. Which transition element is widely used in making permanent magnets?

Copper

Chromium

Zinc

Cobalt

8. Which of the following elements is most likely to exhibit +7 oxidation state?

Chromium

Manganese

Nickel

Iron

9. Which of the following elements shows the highest number of oxidation states?

Zinc

Manganese

Copper

Chromium

10. Which of the following is a magnetic property shown by many transition metals?

Superconductivity

Paramagnetism

Diamagnetism

Piezoelectricity

11. Which of the following is a first-row transition element?

Lead

Gold

Cobalt

Barium

12. Why are transition metal compounds often colored?

Due to impurities

Due to d-d electron transitions

Due to high electronegativity

Due to resonance

13. Which of the following is a soft transition metal?

Chromium

Mercury

Titanium

Iron

14. Which of the following transition elements is used in currency coins?

Nickel

Silver

Vanadium

Zinc

15. Which transition metal is used in batteries and corrosion protection?

Zinc

Nickel

Iron

Cobalt

16. Which of the following elements is not considered a transition metal despite being in the d-block?

Scandium

Zinc

Copper

Titanium

17. What is a common oxidation state of iron?

–1

+2 and +3

18. Which of the following is a d-block but not a transition element?

Zinc

Titanium

Chromium

Manganese

19. Which transition metal ion is responsible for the red color in blood?

Chromium

Iron

Cobalt

Copper

20. Which of the following is an interstitial compound formed by transition metals?

H₂O

Fe₃C

CaCO₃

NaCl

21. Which of the following transition elements is used in stainless steel?

Nickel

Chromium

Cobalt

Vanadium

22. Which transition metal is used in photographic films?

Nickel

Silver

Chromium

Iron

23. Transition metals form alloys easily because:

They have high electronegativity

They are non-reactive

They are all radioactive

Their atoms are the same size

24. What is the shape of most transition metal complex ions?

Pyramidal

Linear

Tetrahedral or square planar

Trigonal planar

25. Why do transition metals have high density?

Loose packing of atoms

High reactivity

Low atomic number

Tightly packed atoms with high atomic mass

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26. Which of the following is known for forming organometallic compounds?

Nickel

Copper

Iron

Chromium

27. What causes the hardness and strength of transition metals?

Ionic bonding

Weak intermolecular forces

Delocalized electrons in metallic bonds

Presence of s-orbitals

28. Which of the following is not a general characteristic of transition metals?

Formation of complex compounds

Low atomic weight

Formation of colored ions

High melting point

29. Which transition element is used in galvanization?

Zinc

Iron

Nickel

Copper

30. Which transition metal is essential in vitamin B12?

Cobalt

Iron

Nickel

Zinc

31. Which transition metal is used in the manufacture of filament in light bulbs?

Tungsten

Zinc

Copper

Iron

32. What type of bonds do transition metals often form?

Ionic only

Covalent only

Metallic and coordinate bonds

Hydrogen bonds

33. Which property of transition metals allows them to form colored complexes?

Large atomic size

Completely filled orbitals

Unpaired d-electrons

High ionization energy

34. Which of the following is a third-row transition element?

Vanadium

Cobalt

Platinum

Iron

35. Which of these transition metals is commonly used in electroplating?

Sodium

Calcium

Nickel

Potassium

36. Which transition element is essential for oxygen transport in blood?

Copper

Chromium

Iron

Zinc

37. Which d-block element is not considered a transition element?

Scandium

Iron

Zinc

Titanium

38. Which of the following is a typical property of transition metals?

Formation of complex ions

Lack of magnetism

Poor conductivity

Low melting points

39. Which metal is commonly used as a catalyst in hydrogenation reactions?

Nickel

Silver

Zinc

Iron

40. Which property distinguishes transition metals from s-block elements?

Formation of colored ions

Formation of basic oxides only

Solubility in water

High reactivity

41. Why are transition metals able to form complex ions?

They are non-reactive

They have vacant d-orbitals

They have small nuclear charge

They cannot form covalent bonds

42. Which of the following shows the maximum number of unpaired d-electrons?

Copper

Chromium

Zinc

Nickel

43. What is the oxidation state of chromium in Cr₂O₇²⁻?

44. Which of the following transition metals is most commonly used in electrical wiring?

Nickel

Iron

Copper

Zinc

45. Which of the following transition metals forms green-colored compounds?

Iron(III)

Chromium(III)

Manganese

Cobalt(II)

46. Which metal ion is present in the blue complex [Cu(H₂O)₄]²⁺?

Ni²⁺

Zn²⁺

Fe²⁺

Cu²⁺

47. What causes paramagnetism in transition metals?

Completely filled orbitals

Presence of unpaired d-electrons

Presence of paired electrons

High atomic mass

48. Transition metals show variable oxidation states because:

They have close energy levels of (n-1)d and ns orbitals

They do not lose electrons easily

They have filled p-orbitals

They have stable outer shells

49. Why do transition elements have high melting points?

They are reactive metals

Due to metallic bonding with delocalized electrons

Due to strong covalent bonding

Due to their large atomic size

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