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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. Transition metals form alloys easily because:

Their atoms are the same size

They are non-reactive

They are all radioactive

They have high electronegativity

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

Formation of complex compounds

Low atomic weight

Formation of colored ions

High melting point

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

Large atomic size

High ionization energy

Completely filled orbitals

Unpaired d-electrons

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

ns²np⁶nd¹–¹⁰

ns²(n–1)d¹–¹⁰

ns²np⁶

ns¹(n–1)d⁵

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

Fe₃C

H₂O

NaCl

CaCO₃

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

Iron

Chromium

Nickel

Copper

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

Nickel

Zinc

Cobalt

Iron

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

Tetrahedral or square planar

Trigonal planar

Pyramidal

Linear

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

Iron

Titanium

Chromium

Mercury

10. Why are transition metal compounds often colored?

Due to resonance

Due to impurities

Due to high electronegativity

Due to d-d electron transitions

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

Cobalt

Iron

Chromium

Copper

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

Nickel

Manganese

Chromium

Iron

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

Copper

Zinc

Nickel

Iron

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

Ni²⁺

Cu²⁺

Zn²⁺

Fe²⁺

15. What is a common oxidation state of iron?

+2 and +3

–1

16. Why do transition metals have high density?

Tightly packed atoms with high atomic mass

Loose packing of atoms

Low atomic number

High reactivity

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

Scandium

Titanium

Copper

Zinc

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

Nickel

Chromium

Cobalt

Vanadium

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

Silver

Iron

Copper

Tungsten

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

Iron

Scandium

Zinc

Titanium

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

Zinc

Silver

Iron

Nickel

22. What causes paramagnetism in transition metals?

Presence of paired electrons

Presence of unpaired d-electrons

High atomic mass

Completely filled orbitals

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

Titanium

Chromium

Zinc

Manganese

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

Formation of colored ions

High reactivity

Solubility in water

Formation of basic oxides only

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

Zinc

Copper

Cobalt

Chromium

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

They cannot form covalent bonds

They have small nuclear charge

They are non-reactive

They have vacant d-orbitals

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

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

Iron

Platinum

Cobalt

Vanadium

29. Which transition metal is essential in vitamin B12?

Iron

Cobalt

Nickel

Zinc

30. Why do transition metals act as good catalysts?

They form unstable products

They can change oxidation states

They are non-reactive

They provide surface for reaction

31. Transition metals show variable oxidation states because:

They have stable outer shells

They have filled p-orbitals

They do not lose electrons easily

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

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

Formation of complex ions

Poor conductivity

Lack of magnetism

Low melting points

33. Which element does not show variable oxidation states?

Zinc

Vanadium

Copper

Iron

34. Which transition element is used in galvanization?

Copper

Iron

Zinc

Nickel

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

Nickel

Sodium

Calcium

Potassium

36. Why do transition elements have high melting points?

Due to metallic bonding with delocalized electrons

Due to their large atomic size

They are reactive metals

Due to strong covalent bonding

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

Iron

Zinc

Tungsten

Copper

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

Hydrogen bonds

Ionic only

Covalent only

Metallic and coordinate bonds

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

Copper

Chromium

Nickel

Zinc

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

Iron(III)

Chromium(III)

Cobalt(II)

Manganese

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

Lead

Gold

Barium

Cobalt

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

They form colorless compounds

They are all radioactive

They are all non-metals

They have variable oxidation states

43. Which transition metal is used in photographic films?

Iron

Chromium

Nickel

Silver

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

Copper

Iron

Chromium

Zinc

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

Mercury

Chromium

Nickel

Iron

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

Manganese

Copper

Zinc

Chromium

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

Presence of s-orbitals

Delocalized electrons in metallic bonds

Weak intermolecular forces

Ionic bonding

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

Vanadium

Zinc

Nickel

Silver

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

Superconductivity

Paramagnetism

Piezoelectricity

Diamagnetism

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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