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MDCAT Chemistry Transition Elements Online Test

Mustansar KhanLast Updated: May 26, 2025

Chemistry Transition Elements MCQS Online Test

MDCAT Chemistry Transition Elements Chapter Online Test

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:	MDCAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

MDCAT Chemistry Transition Elements Test

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

Platinum

Iron

Vanadium

Cobalt

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

Cobalt

Lead

Barium

Gold

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

They have vacant d-orbitals

They have small nuclear charge

They are non-reactive

They cannot form covalent bonds

4. Transition metals form alloys easily because:

Their atoms are the same size

They have high electronegativity

They are all radioactive

They are non-reactive

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

Copper

Zinc

Chromium

Manganese

6. Which element does not show variable oxidation states?

Vanadium

Zinc

Copper

Iron

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

Mercury

Chromium

Iron

Nickel

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

Poor conductivity

Low melting points

Formation of complex ions

Lack of magnetism

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

Formation of complex compounds

Formation of colored ions

High melting point

Low atomic weight

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

Nickel

Chromium

Zinc

Copper

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

Superconductivity

Paramagnetism

Piezoelectricity

Diamagnetism

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

Silver

Zinc

Iron

Nickel

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

Copper

Chromium

Iron

Cobalt

14. 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

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

Ionic only

Metallic and coordinate bonds

Hydrogen bonds

Covalent only

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

Calcium

Sodium

Potassium

Nickel

17. Why do transition metals have high density?

Loose packing of atoms

High reactivity

Low atomic number

Tightly packed atoms with high atomic mass

18. 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

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

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

Copper

Silver

Iron

Tungsten

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

Zinc

Chromium

Cobalt

Copper

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

Ionic bonding

Presence of s-orbitals

Delocalized electrons in metallic bonds

Weak intermolecular forces

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

Copper

Iron

Chromium

Nickel

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

Iron

Zinc

Copper

Chromium

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

Chromium

Nickel

Iron

Manganese

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

Titanium

Scandium

Copper

Zinc

27. Why are transition metal compounds often colored?

Due to d-d electron transitions

Due to resonance

Due to impurities

Due to high electronegativity

28. Which transition metal is essential in vitamin B12?

Iron

Zinc

Cobalt

Nickel

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

Chromium

Zinc

Manganese

Titanium

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

Formation of colored ions

Formation of basic oxides only

Solubility in water

High reactivity

31. What causes paramagnetism in transition metals?

Completely filled orbitals

Presence of unpaired d-electrons

Presence of paired electrons

High atomic mass

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

Fe²⁺

Cu²⁺

Ni²⁺

Zn²⁺

33. Which transition metal is used in photographic films?

Nickel

Silver

Chromium

Iron

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

Pyramidal

Linear

Trigonal planar

Tetrahedral or square planar

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

Iron

Chromium

Titanium

Mercury

36. What is a common oxidation state of iron?

+2 and +3

–1

37. Which transition element is used in galvanization?

Zinc

Copper

Nickel

Iron

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

Completely filled orbitals

Unpaired d-electrons

Large atomic size

High ionization energy

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

Fe₃C

NaCl

H₂O

CaCO₃

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

Titanium

Scandium

Iron

Zinc

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

Nickel

Iron

Zinc

Cobalt

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

They have variable oxidation states

They are all radioactive

They form colorless compounds

They are all non-metals

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

ns¹(n–1)d⁵

ns²(n–1)d¹–¹⁰

ns²np⁶

ns²np⁶nd¹–¹⁰

44. Why do transition metals act as good catalysts?

They are non-reactive

They form unstable products

They provide surface for reaction

They can change oxidation states

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

Copper

Iron

Zinc

Nickel

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

Cobalt(II)

Chromium(III)

Manganese

Iron(III)

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

Cobalt

Chromium

Vanadium

Nickel

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

Nickel

Silver

Vanadium

Zinc

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

Tungsten

Zinc

Copper

Iron

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Mustansar KhanLast Updated: May 26, 2025

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MDCAT Chemistry Transition Elements Online Test

Chemistry Transition Elements MCQS Online Test

MDCAT Chemistry Transition Elements Chapter Online Test

MDCAT Chemistry Transition Elements Test

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Chemistry Transition Elements MCQS Online Test

MDCAT Chemistry Transition Elements Chapter Online Test

MDCAT Chemistry Transition Elements Test

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Mustansar Khan

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