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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 d-block element is not considered a transition element?

Zinc

Iron

Scandium

Titanium

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

Ionic bonding

Presence of s-orbitals

Delocalized electrons in metallic bonds

Weak intermolecular forces

3. Which element does not show variable oxidation states?

Zinc

Iron

Vanadium

Copper

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

Piezoelectricity

Diamagnetism

Paramagnetism

Superconductivity

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

Iron

Silver

Zinc

Nickel

6. Why are transition metal compounds often colored?

Due to resonance

Due to d-d electron transitions

Due to high electronegativity

Due to impurities

7. Which transition metal is used in photographic films?

Iron

Chromium

Nickel

Silver

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

Titanium

Copper

Scandium

Zinc

9. What causes paramagnetism in transition metals?

Presence of paired electrons

Completely filled orbitals

High atomic mass

Presence of unpaired d-electrons

10. Which transition metal is essential in vitamin B12?

Zinc

Iron

Cobalt

Nickel

11. Why do transition elements have high melting points?

Due to metallic bonding with delocalized electrons

Due to strong covalent bonding

Due to their large atomic size

They are reactive metals

12. 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

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

Cobalt

Platinum

Iron

Vanadium

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

Calcium

Nickel

Sodium

Potassium

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

Poor conductivity

Formation of complex ions

Lack of magnetism

Low melting points

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

Chromium

Iron

Zinc

Copper

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

High ionization energy

Completely filled orbitals

Large atomic size

Unpaired d-electrons

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

High reactivity

Formation of colored ions

Solubility in water

Formation of basic oxides only

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

Nickel

Iron

Chromium

Copper

20. Which transition element is used in galvanization?

Nickel

Copper

Zinc

Iron

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

ns²(n–1)d¹–¹⁰

ns¹(n–1)d⁵

ns²np⁶

ns²np⁶nd¹–¹⁰

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

Chromium

Vanadium

Cobalt

Nickel

23. What is a common oxidation state of iron?

+2 and +3

–1

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

Silver

Iron

Copper

Tungsten

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

Cu²⁺

Zn²⁺

Fe²⁺

Ni²⁺

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

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

Trigonal planar

Tetrahedral or square planar

Linear

Pyramidal

28. 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

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

Silver

Zinc

Nickel

Vanadium

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

Iron

Chromium

Nickel

Manganese

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

High melting point

Formation of complex compounds

Low atomic weight

Formation of colored ions

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

Nickel

Iron

Mercury

Chromium

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

Iron

Zinc

Nickel

Copper

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

Chromium

Copper

Cobalt

Zinc

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

Manganese

Chromium

Copper

Zinc

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

They have small nuclear charge

They cannot form covalent bonds

They have vacant d-orbitals

They are non-reactive

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

Chromium

Copper

Cobalt

Iron

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

Zinc

Cobalt

Nickel

Iron

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

Manganese

Chromium

Zinc

Titanium

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

Cobalt(II)

Iron(III)

Manganese

Chromium(III)

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

NaCl

H₂O

Fe₃C

CaCO₃

42. Transition metals form alloys easily because:

They are all radioactive

They have high electronegativity

They are non-reactive

Their atoms are the same size

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

Copper

Nickel

Chromium

Zinc

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

Covalent only

Metallic and coordinate bonds

Ionic only

Hydrogen bonds

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

Tungsten

Iron

Copper

Zinc

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

They are all non-metals

They form colorless compounds

They have variable oxidation states

They are all radioactive

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

Mercury

Iron

Titanium

Chromium

48. Why do transition metals have high density?

Low atomic number

Loose packing of atoms

High reactivity

Tightly packed atoms with high atomic mass

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

Gold

Barium

Cobalt

Lead

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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