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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 transition element is used in galvanization?

Zinc

Nickel

Iron

Copper

2. 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

3. Why do transition elements have high melting points?

They are reactive metals

Due to their large atomic size

Due to metallic bonding with delocalized electrons

Due to strong covalent bonding

4. Transition metals form alloys easily because:

They have high electronegativity

They are non-reactive

Their atoms are the same size

They are all radioactive

5. Which transition metal is essential in vitamin B12?

Zinc

Cobalt

Iron

Nickel

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

Copper

Nickel

Iron

Chromium

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

ns²np⁶nd¹–¹⁰

ns²(n–1)d¹–¹⁰

ns²np⁶

ns¹(n–1)d⁵

8. Which element does not show variable oxidation states?

Zinc

Vanadium

Copper

Iron

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

Chromium(III)

Cobalt(II)

Iron(III)

Manganese

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

Silver

Tungsten

Iron

Copper

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

Copper

Zinc

Cobalt

Chromium

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

Poor conductivity

Low melting points

Lack of magnetism

Formation of complex ions

13. Which transition metal is used in photographic films?

Chromium

Silver

Nickel

Iron

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

Superconductivity

Diamagnetism

Piezoelectricity

Paramagnetism

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

Chromium

Nickel

Vanadium

Cobalt

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

Formation of colored ions

Solubility in water

High reactivity

Formation of basic oxides only

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

Unpaired d-electrons

Completely filled orbitals

Large atomic size

High ionization energy

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

They are all non-metals

They are all radioactive

They form colorless compounds

They have variable oxidation states

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

Linear

Pyramidal

Trigonal planar

Tetrahedral or square planar

20. Why do transition metals have high density?

Loose packing of atoms

Tightly packed atoms with high atomic mass

High reactivity

Low atomic number

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

Chromium

Nickel

Iron

Manganese

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

Mercury

Chromium

Titanium

Iron

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

Zinc

Copper

Chromium

Iron

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

Calcium

Potassium

Sodium

Nickel

25. What is a common oxidation state of iron?

+2 and +3

–1

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

Copper

Iron

Zinc

Nickel

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

Zinc

Nickel

Cobalt

Iron

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

Presence of s-orbitals

Ionic bonding

Weak intermolecular forces

Delocalized electrons in metallic bonds

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

Iron

Nickel

Silver

Zinc

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

Lead

Cobalt

Barium

Gold

31. Why do transition metals act as good catalysts?

They are non-reactive

They can change oxidation states

They form unstable products

They provide surface for reaction

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

Chromium

Manganese

Zinc

Copper

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

Zinc

Vanadium

Silver

Nickel

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

Fe₃C

CaCO₃

NaCl

H₂O

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

Low atomic weight

Formation of complex compounds

High melting point

Formation of colored ions

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

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

Iron

Cobalt

Copper

Chromium

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

Iron

Zinc

Titanium

Scandium

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

Chromium

Zinc

Copper

Nickel

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

Covalent only

Hydrogen bonds

Ionic only

Metallic and coordinate bonds

41. Why are transition metal compounds often colored?

Due to high electronegativity

Due to d-d electron transitions

Due to impurities

Due to resonance

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

Titanium

Copper

Scandium

Zinc

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

Vanadium

Platinum

Iron

Cobalt

44. 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

45. What causes paramagnetism in transition metals?

Presence of unpaired d-electrons

High atomic mass

Completely filled orbitals

Presence of paired electrons

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

Chromium

Zinc

Titanium

Manganese

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

Iron

Chromium

Mercury

Nickel

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

Iron

Copper

Tungsten

Zinc

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

Cu²⁺

Ni²⁺

Zn²⁺

Fe²⁺

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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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