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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 known for forming organometallic compounds?

Copper

Iron

Chromium

Nickel

2. Which transition metal is essential in vitamin B12?

Zinc

Cobalt

Iron

Nickel

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

Cobalt

Iron

Vanadium

Platinum

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

Chromium

Iron

Mercury

Nickel

5. Why do transition elements have high melting points?

Due to metallic bonding with delocalized electrons

They are reactive metals

Due to their large atomic size

Due to strong covalent bonding

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

Manganese

Chromium

Iron

Nickel

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

Chromium

Iron

Titanium

Mercury

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

Iron

Cobalt

Copper

Chromium

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

Nickel

Chromium

Cobalt

Vanadium

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

Copper

Manganese

Chromium

Zinc

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

Formation of complex ions

Lack of magnetism

Poor conductivity

Low melting points

12. Why do transition metals have high density?

Tightly packed atoms with high atomic mass

Loose packing of atoms

Low atomic number

High reactivity

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

Manganese

Zinc

Chromium

Titanium

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

Tungsten

Iron

Copper

Zinc

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

Nickel

Vanadium

Zinc

Silver

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

Cobalt(II)

Manganese

Chromium(III)

Iron(III)

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

Nickel

Iron

Copper

Zinc

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

Barium

Cobalt

Gold

Lead

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

Silver

Tungsten

Copper

Iron

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

Zinc

Titanium

Copper

Scandium

21. Why do transition metals act as good catalysts?

They form unstable products

They provide surface for reaction

They can change oxidation states

They are non-reactive

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

Zinc

Silver

Iron

Nickel

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

24. What causes paramagnetism in transition metals?

Presence of unpaired d-electrons

Presence of paired electrons

High atomic mass

Completely filled orbitals

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

Low atomic weight

Formation of complex compounds

Formation of colored ions

High melting point

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

They are all non-metals

They are all radioactive

They have variable oxidation states

They form colorless compounds

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

Copper

Chromium

Iron

Zinc

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

Iron

Cobalt

Nickel

Zinc

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

Zinc

Copper

Cobalt

Chromium

30. Which element does not show variable oxidation states?

Iron

Vanadium

Copper

Zinc

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

Metallic and coordinate bonds

Covalent only

Hydrogen bonds

Ionic only

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

Chromium

Nickel

Copper

Zinc

33. Which transition element is used in galvanization?

Zinc

Copper

Iron

Nickel

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

High reactivity

Solubility in water

Formation of basic oxides only

Formation of colored ions

35. What is a common oxidation state of iron?

+2 and +3

–1

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

CaCO₃

NaCl

H₂O

Fe₃C

37. Why are transition metal compounds often colored?

Due to resonance

Due to impurities

Due to d-d electron transitions

Due to high electronegativity

38. Transition metals form alloys easily because:

They are all radioactive

They have high electronegativity

They are non-reactive

Their atoms are the same size

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

ns²np⁶

ns²np⁶nd¹–¹⁰

ns²(n–1)d¹–¹⁰

ns¹(n–1)d⁵

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

Superconductivity

Paramagnetism

Diamagnetism

Piezoelectricity

41. Transition metals show variable oxidation states because:

They do not lose electrons easily

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

They have filled p-orbitals

They have stable outer shells

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

They have small nuclear charge

They are non-reactive

They have vacant d-orbitals

They cannot form covalent bonds

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

Ionic bonding

Presence of s-orbitals

Weak intermolecular forces

Delocalized electrons in metallic bonds

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

Completely filled orbitals

Large atomic size

High ionization energy

Unpaired d-electrons

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

Iron

Zinc

Scandium

Titanium

46. Which transition metal is used in photographic films?

Nickel

Chromium

Silver

Iron

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

Zn²⁺

Cu²⁺

Ni²⁺

Fe²⁺

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

Nickel

Sodium

Calcium

Potassium

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

Tetrahedral or square planar

Linear

Pyramidal

Trigonal planar

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

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Mustansar KhanLast Updated: October 15, 2025

Chemistry Transition Elements Online Mcqs Test

Important Chemistry Transition Elements Question and Answer

Chemistry Transition Elements Practice Test Online With Explanation

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

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