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

Tetrahedral or square planar

Trigonal planar

Linear

Pyramidal

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

They have variable oxidation states

They form colorless compounds

They are all non-metals

They are all radioactive

3. What is a common oxidation state of iron?

–1

+2 and +3

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

Nickel

Iron

Chromium

Copper

5. Transition metals form alloys easily because:

They are non-reactive

They are all radioactive

Their atoms are the same size

They have high electronegativity

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

7. Which transition metal is essential in vitamin B12?

Zinc

Cobalt

Iron

Nickel

8. 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

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

Covalent only

Hydrogen bonds

Ionic only

Metallic and coordinate bonds

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

Cobalt

Chromium

Iron

Copper

11. Which transition metal is used in photographic films?

Chromium

Silver

Nickel

Iron

12. What causes paramagnetism in transition metals?

Presence of paired electrons

High atomic mass

Completely filled orbitals

Presence of unpaired d-electrons

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

Weak intermolecular forces

Ionic bonding

Delocalized electrons in metallic bonds

Presence of s-orbitals

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

Cobalt

Gold

Barium

Lead

15. Why are transition metal compounds often colored?

Due to resonance

Due to d-d electron transitions

Due to high electronegativity

Due to impurities

16. Which transition element is used in galvanization?

Zinc

Iron

Copper

Nickel

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

Nickel

Chromium

Vanadium

Cobalt

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

Diamagnetism

Superconductivity

Paramagnetism

Piezoelectricity

19. Transition metals show variable oxidation states because:

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

They have stable outer shells

They do not lose electrons easily

They have filled p-orbitals

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

Sodium

Calcium

Potassium

Nickel

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

Vanadium

Nickel

Silver

Zinc

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

Copper

Scandium

Titanium

Zinc

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

Chromium

Copper

Zinc

Cobalt

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

Fe₃C

H₂O

CaCO₃

NaCl

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

Iron

Nickel

Zinc

Cobalt

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

Vanadium

Platinum

Iron

Cobalt

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

Titanium

Manganese

Chromium

Zinc

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

Ni²⁺

Zn²⁺

Cu²⁺

Fe²⁺

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

Iron

Nickel

Chromium

Manganese

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

Unpaired d-electrons

High ionization energy

Large atomic size

Completely filled orbitals

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

Titanium

Chromium

Mercury

Iron

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

High reactivity

Formation of basic oxides only

Formation of colored ions

Solubility in water

33. Why do transition metals have high density?

High reactivity

Tightly packed atoms with high atomic mass

Low atomic number

Loose packing of atoms

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

Low melting points

Formation of complex ions

Poor conductivity

Lack of magnetism

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

Zinc

Copper

Chromium

Manganese

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

ns¹(n–1)d⁵

ns²(n–1)d¹–¹⁰

ns²np⁶nd¹–¹⁰

ns²np⁶

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

Copper

Zinc

Tungsten

Iron

38. Why do transition elements have high melting points?

They are reactive metals

Due to metallic bonding with delocalized electrons

Due to their large atomic size

Due to strong covalent bonding

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

Zinc

Iron

Copper

Nickel

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

Nickel

Iron

Zinc

Silver

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

Zinc

Chromium

Copper

Iron

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

Mercury

Iron

Chromium

Nickel

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

Copper

Chromium

Zinc

Nickel

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

Zinc

Scandium

Titanium

Iron

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

They have vacant d-orbitals

They are non-reactive

They cannot form covalent bonds

They have small nuclear charge

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

Chromium(III)

Manganese

Cobalt(II)

Iron(III)

47. Why do transition metals act as good catalysts?

They are non-reactive

They provide surface for reaction

They can change oxidation states

They form unstable products

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

Copper

Iron

Silver

Tungsten

49. Which element does not show variable oxidation states?

Copper

Iron

Zinc

Vanadium

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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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