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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 type of bonds do transition metals often form?

Covalent only

Metallic and coordinate bonds

Ionic only

Hydrogen bonds

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

Calcium

Nickel

Potassium

Sodium

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

Pyramidal

Tetrahedral or square planar

Trigonal planar

Linear

4. Transition metals form alloys easily because:

Their atoms are the same size

They are all radioactive

They have high electronegativity

They are non-reactive

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

Formation of complex ions

Lack of magnetism

Poor conductivity

Low melting points

6. What is a common oxidation state of iron?

+2 and +3

–1

7. 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

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

Iron

Zinc

Copper

Tungsten

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

Ni²⁺

Cu²⁺

Fe²⁺

Zn²⁺

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

ns²(n–1)d¹–¹⁰

ns²np⁶

ns¹(n–1)d⁵

ns²np⁶nd¹–¹⁰

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

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

Copper

Zinc

Nickel

Chromium

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

Titanium

Chromium

Zinc

Manganese

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

Vanadium

Nickel

Silver

Zinc

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

Scandium

Titanium

Zinc

Iron

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

H₂O

Fe₃C

CaCO₃

NaCl

17. Which transition metal is essential in vitamin B12?

Cobalt

Nickel

Zinc

Iron

18. Why do transition metals act as good catalysts?

They provide surface for reaction

They are non-reactive

They can change oxidation states

They form unstable products

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

Iron

Platinum

Cobalt

Vanadium

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

They are non-reactive

They cannot form covalent bonds

They have vacant d-orbitals

They have small nuclear charge

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

Silver

Zinc

Nickel

Iron

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

Nickel

Iron

Manganese

Chromium

23. Transition metals show variable oxidation states because:

They have filled p-orbitals

They have stable outer shells

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

They do not lose electrons easily

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

Copper

Iron

Chromium

Nickel

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

Superconductivity

Paramagnetism

Piezoelectricity

Diamagnetism

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26. Which transition metal is used in photographic films?

Nickel

Chromium

Silver

Iron

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

Completely filled orbitals

High ionization energy

Large atomic size

Unpaired d-electrons

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

Delocalized electrons in metallic bonds

Ionic bonding

Presence of s-orbitals

Weak intermolecular forces

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

Copper

Iron

Zinc

Nickel

30. Why are transition metal compounds often colored?

Due to impurities

Due to resonance

Due to d-d electron transitions

Due to high electronegativity

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

Chromium

Mercury

Titanium

Iron

32. Which element does not show variable oxidation states?

Vanadium

Iron

Copper

Zinc

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

Zinc

Nickel

Cobalt

Iron

34. Which transition element is used in galvanization?

Zinc

Nickel

Iron

Copper

35. Why do transition elements have high melting points?

Due to strong covalent bonding

Due to metallic bonding with delocalized electrons

Due to their large atomic size

They are reactive metals

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

They are all radioactive

They are all non-metals

They form colorless compounds

They have variable oxidation states

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

Chromium

Zinc

Copper

Cobalt

38. Why do transition metals have high density?

Loose packing of atoms

Tightly packed atoms with high atomic mass

High reactivity

Low atomic number

39. What causes paramagnetism in transition metals?

Completely filled orbitals

Presence of paired electrons

Presence of unpaired d-electrons

High atomic mass

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

Formation of basic oxides only

Solubility in water

Formation of colored ions

High reactivity

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

Iron

Zinc

Copper

Chromium

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

Iron

Tungsten

Copper

Silver

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

Titanium

Scandium

Zinc

Copper

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

Chromium

Copper

Cobalt

Iron

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

Cobalt(II)

Iron(III)

Chromium(III)

Manganese

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

Lead

Gold

Barium

Cobalt

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

Manganese

Zinc

Copper

Chromium

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

Chromium

Nickel

Mercury

Iron

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

Nickel

Vanadium

Chromium

Cobalt

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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