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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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Page 1 of 2

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1. Which element does not show variable oxidation states?

Zinc

Iron

Vanadium

Copper

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

Zinc

Chromium

Copper

Manganese

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

Diamagnetism

Piezoelectricity

Superconductivity

Paramagnetism

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

Zinc

Iron

Nickel

Silver

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

ns²np⁶

ns²np⁶nd¹–¹⁰

ns²(n–1)d¹–¹⁰

ns¹(n–1)d⁵

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

Manganese

Chromium(III)

Cobalt(II)

Iron(III)

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

Copper

Cobalt

Iron

Chromium

8. Transition metals show variable oxidation states because:

They do not lose electrons easily

They have filled p-orbitals

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

They have stable outer shells

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

Gold

Cobalt

Lead

Barium

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

Formation of complex ions

Lack of magnetism

Low melting points

Poor conductivity

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

Chromium

Cobalt

Vanadium

Nickel

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

Nickel

Potassium

Calcium

Sodium

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

Iron

Zinc

Nickel

Cobalt

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

Nickel

Iron

Copper

Chromium

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

High ionization energy

Large atomic size

Unpaired d-electrons

Completely filled orbitals

16. Which transition metal is used in photographic films?

Chromium

Silver

Iron

Nickel

17. What is a common oxidation state of iron?

–1

+2 and +3

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

Vanadium

Zinc

Silver

Nickel

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

Platinum

Cobalt

Iron

Vanadium

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

Copper

Zinc

Chromium

Nickel

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

They cannot form covalent bonds

They are non-reactive

They have vacant d-orbitals

They have small nuclear charge

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

Ionic bonding

Weak intermolecular forces

Presence of s-orbitals

Delocalized electrons in metallic bonds

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

Cobalt

Chromium

Copper

Zinc

24. Which transition element is used in galvanization?

Iron

Nickel

Zinc

Copper

25. Why do transition elements have high melting points?

Due to strong covalent bonding

They are reactive metals

Due to their large atomic size

Due to metallic bonding with delocalized electrons

Page 2 of 2

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

Mercury

Iron

Chromium

Nickel

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

Iron

Titanium

Mercury

Chromium

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

Zinc

Copper

Iron

Tungsten

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

Manganese

Chromium

Titanium

Zinc

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

Copper

Zinc

Iron

Chromium

31. Why are transition metal compounds often colored?

Due to resonance

Due to high electronegativity

Due to impurities

Due to d-d electron transitions

32. Why do transition metals have high density?

Loose packing of atoms

High reactivity

Tightly packed atoms with high atomic mass

Low atomic number

33. What causes paramagnetism in transition metals?

Presence of unpaired d-electrons

High atomic mass

Presence of paired electrons

Completely filled orbitals

34. Transition metals form alloys easily because:

They are all radioactive

They have high electronegativity

Their atoms are the same size

They are non-reactive

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

Formation of basic oxides only

Formation of colored ions

High reactivity

Solubility in water

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

Hydrogen bonds

Ionic only

Metallic and coordinate bonds

Covalent only

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

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

They are all non-metals

They form colorless compounds

They are all radioactive

They have variable oxidation states

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

Zinc

Iron

Titanium

Scandium

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

Copper

Nickel

Zinc

Iron

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

Tetrahedral or square planar

Pyramidal

Linear

Trigonal planar

42. Which transition metal is essential in vitamin B12?

Iron

Nickel

Cobalt

Zinc

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

Ni²⁺

Zn²⁺

Fe²⁺

Cu²⁺

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

Iron

Nickel

Chromium

Manganese

45. Why do transition metals act as good catalysts?

They can change oxidation states

They are non-reactive

They provide surface for reaction

They form unstable products

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

CaCO₃

NaCl

H₂O

Fe₃C

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

Zinc

Copper

Titanium

Scandium

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

Tungsten

Copper

Iron

Silver

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

Formation of colored ions

Low atomic weight

High melting point

Formation of complex compounds

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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