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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.
Test Helpful For:	Chemistry Test ECAT Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Chemistry Interview Question Answer

Chemistry Transition Elements Practice Test Online With Explanation

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

Iron

Copper

Tungsten

Zinc

2. What is a common oxidation state of iron?

+2 and +3

–1

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

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

Pyramidal

Trigonal planar

Linear

Tetrahedral or square planar

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

Zinc

Manganese

Titanium

Chromium

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

Iron

Chromium

Titanium

Mercury

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

Nickel

Zinc

Vanadium

Silver

8. Transition metals show variable oxidation states because:

They have filled p-orbitals

They do not lose electrons easily

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

They have stable outer shells

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

Copper

Iron

Chromium

Nickel

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

Copper

Titanium

Zinc

Scandium

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

Fe₃C

NaCl

CaCO₃

H₂O

12. Why do transition metals act as good catalysts?

They form unstable products

They can change oxidation states

They provide surface for reaction

They are non-reactive

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

Zinc

Cobalt

Nickel

Iron

14. Why do transition metals have high density?

Low atomic number

High reactivity

Loose packing of atoms

Tightly packed atoms with high atomic mass

15. Which transition element is used in galvanization?

Nickel

Zinc

Iron

Copper

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

They have small nuclear charge

They cannot form covalent bonds

They are non-reactive

They have vacant d-orbitals

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

Delocalized electrons in metallic bonds

Presence of s-orbitals

Ionic bonding

Weak intermolecular forces

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

Mercury

Chromium

Iron

Nickel

19. Which transition metal is essential in vitamin B12?

Cobalt

Nickel

Iron

Zinc

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

Ionic only

Covalent only

Hydrogen bonds

Metallic and coordinate bonds

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

They are all radioactive

They are all non-metals

They have variable oxidation states

They form colorless compounds

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

Copper

Zinc

Nickel

Chromium

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

Nickel

Chromium

Cobalt

Vanadium

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

Ni²⁺

Zn²⁺

Fe²⁺

Cu²⁺

25. Transition metals form alloys easily because:

They are non-reactive

They have high electronegativity

Their atoms are the same size

They are all radioactive

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

Tungsten

Silver

Iron

Copper

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

Zinc

Cobalt

Copper

Chromium

28. Why do transition elements have high melting points?

Due to their large atomic size

Due to strong covalent bonding

Due to metallic bonding with delocalized electrons

They are reactive metals

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

Cobalt

Iron

Platinum

Vanadium

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

Chromium

Copper

Zinc

Iron

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

Piezoelectricity

Superconductivity

Paramagnetism

Diamagnetism

32. Which element does not show variable oxidation states?

Copper

Iron

Zinc

Vanadium

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

Zinc

Iron

Scandium

Titanium

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

Cobalt(II)

Iron(III)

Manganese

Chromium(III)

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

Nickel

Iron

Silver

Zinc

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

High reactivity

Solubility in water

Formation of basic oxides only

Formation of colored ions

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

Manganese

Chromium

Nickel

Iron

38. What causes paramagnetism in transition metals?

Presence of unpaired d-electrons

High atomic mass

Presence of paired electrons

Completely filled orbitals

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

High melting point

Low atomic weight

Formation of complex compounds

Formation of colored ions

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

Lead

Cobalt

Barium

Gold

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

Chromium

Iron

Cobalt

Copper

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

Unpaired d-electrons

Completely filled orbitals

High ionization energy

Large atomic size

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

Poor conductivity

Low melting points

Formation of complex ions

Lack of magnetism

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

Nickel

Sodium

Potassium

Calcium

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

Zinc

Nickel

Copper

Iron

46. Which transition metal is used in photographic films?

Iron

Nickel

Silver

Chromium

47. Why are transition metal compounds often colored?

Due to high electronegativity

Due to d-d electron transitions

Due to resonance

Due to impurities

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

ns²np⁶nd¹–¹⁰

ns²(n–1)d¹–¹⁰

ns¹(n–1)d⁵

ns²np⁶

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

Chromium

Manganese

Zinc

Copper

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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