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Chemistry Transition Elements Online Mcqs Test

Mustansar KhanLast Updated: October 15, 2025

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 photographic films?

Chromium

Iron

Silver

Nickel

2. Which transition metal is essential in vitamin B12?

Nickel

Iron

Cobalt

Zinc

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

Copper

Iron

Tungsten

Zinc

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

Zinc

Nickel

Cobalt

Iron

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

Cobalt

Iron

Chromium

Copper

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

Solubility in water

Formation of basic oxides only

High reactivity

Formation of colored ions

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

Silver

Iron

Nickel

Zinc

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

Sodium

Calcium

Potassium

Nickel

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

Chromium

Iron

Zinc

Copper

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

Delocalized electrons in metallic bonds

Ionic bonding

Weak intermolecular forces

Presence of s-orbitals

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

Large atomic size

Unpaired d-electrons

Completely filled orbitals

High ionization energy

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

High melting point

Low atomic weight

Formation of colored ions

Formation of complex compounds

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

Manganese

Copper

Zinc

Chromium

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

ns²np⁶nd¹–¹⁰

ns¹(n–1)d⁵

ns²np⁶

ns²(n–1)d¹–¹⁰

15. What is a common oxidation state of iron?

–1

+2 and +3

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

Gold

Barium

Cobalt

Lead

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

Zinc

Silver

Vanadium

Nickel

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

Cobalt

Zinc

Chromium

Copper

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

Metallic and coordinate bonds

Ionic only

Covalent only

Hydrogen bonds

20. Transition metals form alloys easily because:

They have high electronegativity

They are all radioactive

They are non-reactive

Their atoms are the same size

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

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

They are all radioactive

They have variable oxidation states

They form colorless compounds

They are all non-metals

23. 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

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

Iron

Chromium

Nickel

Manganese

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

Tungsten

Copper

Silver

Iron

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26. Which transition element is used in galvanization?

Iron

Copper

Nickel

Zinc

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

Diamagnetism

Superconductivity

Paramagnetism

Piezoelectricity

28. Transition metals show variable oxidation states because:

They have filled p-orbitals

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

They have stable outer shells

They do not lose electrons easily

29. Which element does not show variable oxidation states?

Vanadium

Copper

Iron

Zinc

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

Trigonal planar

Pyramidal

Linear

Tetrahedral or square planar

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

H₂O

Fe₃C

CaCO₃

NaCl

32. Why do transition metals have high density?

Tightly packed atoms with high atomic mass

Loose packing of atoms

Low atomic number

High reactivity

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

Iron

Copper

Nickel

Zinc

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

Platinum

Iron

Vanadium

Cobalt

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

Zinc

Scandium

Titanium

Copper

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

Iron(III)

Cobalt(II)

Chromium(III)

Manganese

37. Why are transition metal compounds often colored?

Due to impurities

Due to high electronegativity

Due to resonance

Due to d-d electron transitions

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

Iron

Nickel

Chromium

Mercury

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

Iron

Chromium

Titanium

Mercury

40. What causes paramagnetism in transition metals?

High atomic mass

Presence of paired electrons

Presence of unpaired d-electrons

Completely filled orbitals

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

Chromium

Iron

Nickel

Copper

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

Cobalt

Nickel

Vanadium

Chromium

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

Iron

Zinc

Titanium

Scandium

44. 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

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

Fe²⁺

Ni²⁺

Cu²⁺

Zn²⁺

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

Zinc

Manganese

Titanium

Chromium

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

They are non-reactive

They cannot form covalent bonds

They have vacant d-orbitals

They have small nuclear charge

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

Poor conductivity

Low melting points

Lack of magnetism

Formation of complex ions

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

Nickel

Zinc

Copper

Chromium

Complete Guide for Chemistry Transition Elements Online Mcqs Test

Chemistry Transition Elements Online Mcqs Test is a crucial part of the selection process for government jobs and entrance exams. This online test allows you to practice without any cost.

Why Take This Test?

We have compiled these questions from past papers of PPSC, FPSC, NTS, and OTS. By attempting this quiz, you will:

Understand the difficulty level of the actual exam.
Identify your weak areas in General Knowledge and Current Affairs.

Note: At the end of the quiz, you will see a detailed result card with the correct answers.

Important Chemistry Transition Elements Question and Answer

Chemistry Transition Elements Practice Test Online With Explanation

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