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

Platinum

Iron

Vanadium

Cobalt

2. Which transition metal is used in photographic films?

Chromium

Nickel

Silver

Iron

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

Zinc

Copper

Cobalt

Chromium

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

Zinc

Copper

Iron

Chromium

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

Nickel

Chromium

Copper

Zinc

6. What is a common oxidation state of iron?

+2 and +3

–1

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

Pyramidal

Tetrahedral or square planar

Linear

Trigonal planar

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

Tungsten

Silver

Iron

Copper

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

10. Transition metals form alloys easily because:

They are all radioactive

They are non-reactive

They have high electronegativity

Their atoms are the same size

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

Delocalized electrons in metallic bonds

Presence of s-orbitals

Ionic bonding

Weak intermolecular forces

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

Cu²⁺

Ni²⁺

Fe²⁺

Zn²⁺

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

Calcium

Nickel

Sodium

Potassium

14. What causes paramagnetism in transition metals?

High atomic mass

Presence of paired electrons

Presence of unpaired d-electrons

Completely filled orbitals

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

Iron

Scandium

Titanium

Zinc

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

Nickel

Iron

Cobalt

Zinc

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

Cobalt

Nickel

Chromium

Vanadium

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

Piezoelectricity

Paramagnetism

Superconductivity

Diamagnetism

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

Manganese

Chromium

Iron

Nickel

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

Iron

Zinc

Nickel

Silver

21. Which transition metal is essential in vitamin B12?

Cobalt

Zinc

Nickel

Iron

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

Nickel

Copper

Zinc

Iron

23. Why do transition elements have high melting points?

They are reactive metals

Due to strong covalent bonding

Due to their large atomic size

Due to metallic bonding with delocalized electrons

24. Which transition element is used in galvanization?

Copper

Iron

Nickel

Zinc

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

High ionization energy

Large atomic size

Completely filled orbitals

Unpaired d-electrons

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

They have variable oxidation states

They are all radioactive

They are all non-metals

They form colorless compounds

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

Cobalt(II)

Chromium(III)

Manganese

Iron(III)

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

Mercury

Chromium

Nickel

Iron

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

They have vacant d-orbitals

They have small nuclear charge

They are non-reactive

They cannot form covalent bonds

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

NaCl

Fe₃C

H₂O

CaCO₃

31. Why do transition metals act as good catalysts?

They provide surface for reaction

They are non-reactive

They form unstable products

They can change oxidation states

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

Solubility in water

Formation of colored ions

Formation of basic oxides only

High reactivity

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

Chromium

Titanium

Iron

Mercury

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

Copper

Cobalt

Iron

Chromium

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

Covalent only

Ionic only

Hydrogen bonds

Metallic and coordinate bonds

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

Zinc

Scandium

Titanium

Copper

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

Iron

Tungsten

Copper

Zinc

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

Lack of magnetism

Poor conductivity

Low melting points

Formation of complex ions

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

Gold

Barium

Cobalt

Lead

40. Why do transition metals have high density?

Tightly packed atoms with high atomic mass

Low atomic number

Loose packing of atoms

High reactivity

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

Zinc

Vanadium

Silver

Nickel

42. Transition metals show variable oxidation states because:

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

They have stable outer shells

They do not lose electrons easily

They have filled p-orbitals

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

ns¹(n–1)d⁵

ns²(n–1)d¹–¹⁰

ns²np⁶nd¹–¹⁰

ns²np⁶

44. Which element does not show variable oxidation states?

Vanadium

Iron

Zinc

Copper

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

Chromium

Zinc

Titanium

Manganese

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

Nickel

Iron

Chromium

Copper

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

Formation of colored ions

High melting point

Low atomic weight

Formation of complex compounds

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

Manganese

Copper

Chromium

Zinc

49. Why are transition metal compounds often colored?

Due to high electronegativity

Due to impurities

Due to resonance

Due to d-d electron transitions

How to Score High in Chemistry Transition Elements Online Mcqs Test?

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Mustansar KhanLast Updated: October 15, 2025

Important Chemistry Transition Elements Question and Answer

Chemistry Transition Elements Practice Test Online With Explanation

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