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

Zn²⁺

Fe²⁺

Ni²⁺

Cu²⁺

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

Iron(III)

Chromium(III)

Manganese

Cobalt(II)

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

Nickel

Mercury

Chromium

Iron

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

Unpaired d-electrons

Large atomic size

High ionization energy

Completely filled orbitals

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

Iron

Chromium

Nickel

Copper

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

Formation of basic oxides only

Formation of colored ions

Solubility in water

High reactivity

7. What is a common oxidation state of iron?

+2 and +3

–1

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

They cannot form covalent bonds

They have vacant d-orbitals

They are non-reactive

They have small nuclear charge

9. What causes paramagnetism in transition metals?

Presence of unpaired d-electrons

Completely filled orbitals

Presence of paired electrons

High atomic mass

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

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

Chromium

Zinc

Copper

Manganese

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

Copper

Titanium

Zinc

Scandium

13. 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

14. Why are transition metal compounds often colored?

Due to resonance

Due to impurities

Due to high electronegativity

Due to d-d electron transitions

15. Transition metals form alloys easily because:

They are non-reactive

They are all radioactive

They have high electronegativity

Their atoms are the same size

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

Cobalt

Barium

Gold

Lead

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

Iron

Copper

Tungsten

Zinc

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

Fe₃C

NaCl

CaCO₃

H₂O

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

They are all non-metals

They have variable oxidation states

They are all radioactive

They form colorless compounds

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

Delocalized electrons in metallic bonds

Weak intermolecular forces

Presence of s-orbitals

Ionic bonding

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

Zinc

Cobalt

Iron

Nickel

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

Platinum

Cobalt

Vanadium

Iron

23. Which transition metal is essential in vitamin B12?

Cobalt

Iron

Zinc

Nickel

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

Zinc

Iron

Nickel

Silver

25. 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

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

Copper

Chromium

Iron

Cobalt

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

Cobalt

Zinc

Copper

Chromium

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

Nickel

Vanadium

Chromium

Cobalt

29. Why do transition metals have high density?

High reactivity

Low atomic number

Loose packing of atoms

Tightly packed atoms with high atomic mass

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

Calcium

Potassium

Nickel

Sodium

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

Zinc

Chromium

Manganese

Titanium

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

Chromium

Iron

Manganese

Nickel

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

Silver

Copper

Tungsten

Iron

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

Pyramidal

Trigonal planar

Tetrahedral or square planar

Linear

35. Which element does not show variable oxidation states?

Iron

Vanadium

Copper

Zinc

36. Transition metals show variable oxidation states because:

They have stable outer shells

They have filled p-orbitals

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

They do not lose electrons easily

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

Titanium

Zinc

Iron

Scandium

38. Which transition metal is used in photographic films?

Nickel

Chromium

Iron

Silver

39. Which transition element is used in galvanization?

Nickel

Zinc

Iron

Copper

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

Chromium

Nickel

Copper

Zinc

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

Mercury

Titanium

Chromium

Iron

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

Copper

Iron

Zinc

Nickel

43. Why do transition elements have high melting points?

Due to strong covalent bonding

They are reactive metals

Due to metallic bonding with delocalized electrons

Due to their large atomic size

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

Iron

Zinc

Chromium

Copper

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

Diamagnetism

Piezoelectricity

Paramagnetism

Superconductivity

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

ns²np⁶

ns²np⁶nd¹–¹⁰

ns¹(n–1)d⁵

ns²(n–1)d¹–¹⁰

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

Covalent only

Hydrogen bonds

Metallic and coordinate bonds

Ionic only

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

Silver

Nickel

Zinc

Vanadium

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

Formation of complex ions

Poor conductivity

Low melting points

Lack of magnetism

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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