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MDCAT Chemistry Group VA and VIA Elements Test Online

Malik TahirLast Updated: May 24, 2025

Chemistry Group VA and VIA Elements MCQS Online Test

MDCAT Chemistry Group VA and VIA Elements Chapter Online Test

Total Questions:	55
Time Allowed:	30 Minutes
Total Marks:	55
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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MDCAT Chemistry Group VA and VIA Elements Test

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Page 1 of 3

Chemistry

1. Oxidation of NO in air produces

N₂O₃

N₂O₄

N₂O

2. Out of all elements of group VA, the highest melting and boiling points is shown by the elements

3. Nitrogen is a gas while other elements of the same group are

Liquids

Semiliquid

Solids

Semisolid

4. The brown gas formed when metal reduces HNO₃

N₂O

NO₂

N₂O₅

5. Which of the following elements is most metallic?

6. Which of the element of ( V ) group is metal?

Bismuth

Antimony

Arsenic

Nitron

7. Phosphine is not obtained by the reaction when

Red P is heated with NaOH

PH₄I is boiled with water

Ca₂P₂ reacts with water

White P is heated with NaOH

8. Dinitrogen pentaoxide has oxidation no of nitrogen

9. White P when boiled with strong solution of caustic soda produces?

Phosphine

None

Posh acid

Phosphorous acid

10. Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M₂O₃ become

More basic

Stronger reducing agents

More ionic

More volatile

11. Which catalyst is used in contact process?

V₂O₅

SO₃

Ag₂O

Fe₂O₃

12. Which gas is produced when HNO₂ reacts with organic compounds contains NH₂ group?

NO₂

NH₃

N₂

13. Which one has no allotropes?

Phosphorus

Arsenic

Antimony

Nitrogen

14. The electronegativity of the following elements increases in the order

P, Si, N, C

N, Si, C, P

Si, P, C, N

C, N, Si, P

15. Which element form group 15 gives most basic compound with hydrogen?

Bismuth

Phosphorus

Nitrogen

Arsenic

16. Each of the following is true of white and red phosphorus except that they

Consist of the same kind of atoms

Are both soluble in CS₂

Can be oxidized by heating in air

Can be converted into one another

17. Which of the following group VA elements is gas at room temperature?

18. Oleum is

Fuming of H₂SO₄

Oil of vitriol

None of these

Castor oil

19. Laughing gas is

NO₂

N₂O₃

N₂O

20. One of the following is radioactive metal

21. The structure of white phosphorus is

Trigonal planer

Tetrahedral

Pyramidal

Square planar

22. Which one of the following elements occurs free in nature?

23. Which of the following fluorides does not exist?

AsF₅

NF₅

PF₅

SbF₅

24. Sulphuric acid is anhydride of

Sulphurous acid

Hyposulphuric acid

Hydro Sulphuric acid

Sulphuric acid

25. Ring test is used for confirmation of

Nitrates

Phosphates

Arsenates

None

Page 2 of 3

26. Sodium hexametaphosphate is known as

Permutite

Nitrolim

Calgon

Natalite

27. BiCl₃ on hydrolysis forms a white precipitate of

Bismuth hydroxide

Bismuth pent chloride

Bismuthio acid

Bismuth oxychloride

28. Nitrogen and phosphorus forms compounds

Covalent as well as ionic frequently

Ionic

Covalent

Nitrogen forms covalent and phosphorus ionic

29. All elements of VI A group are

Metalloids

Non-metals

None

Metals

30. Which one of the following pentafluorides cannot be formed?

SbF₅

PF₅

BiF₅

AsF₅

31. Which of the following is formed by the action of water on sodium peroxide?

CO₂

O₂

H₂

N₂

32. Nitrogen is not present in

Urea

Fatty acids

Proteins

Amino acids

33. Which acid is prepared by Birkland’s and Ryde’s method?

HNO₂

HCl

H₂SO₄

HNO₃

34. Relative sulphuric acid is manufactured by

Castoner’s process

Contact process

Haber’s process

Lead chamber process

35. Sulphur trioxide is an anhydride of

Sulphurous acid

Sulphuric acid

Hydro sulphuric

None of these

36. Phosphorus pentoxide finds use as

A dehydrating agent

A reducing agent

An oxidizing agent

A bleaching agent

37. Red P can be obtained from white P by

Heating it with a catalyst in an inert atmosphere

Distilling it in an inert atmosphere

Melting it ad pouring the liquid into water

Dissolving it in CS₂ and crystallizing

38. Out of all elements of group VA, the highest ionization energy is possessed by

39. Which one is colored among the following?

None of these

N₂O

SO₂

40. Chlorine is used for

All of these

As a bleaching agent

Purification of water

Extraction of gold

41. At room temperature fluorine is

Pale yellow gas

Greenish yellow gas

Shiny grayish

Red brown liquid

42. When H2 SO 4one reacts with oxalic acid it acts as

As acid

As a drying agent

Reducing agent

Oxidizing agent

43. Ozone is not

Paramagnetic

A bent molecule

An allotrope

A powerful oxidizing agent

44. The highest M.P. is possessed by in vi A group

45. Atmospheric N2 and O2 react to give nitric oxide in an electric are temperature required is

300 C

200 C

3000 C

2000 C

46. Which of the following elements does not form stable diatomic molecules?

Iodine

Phosphorus

Nitrogen

Oxygen

47. For a reaction N₂O₃ + H₂O → 2HNO₂, the temperature required for this reaction is

0°C

450°C

250°C

25 °C

48. Which of the following has only oxidation state 3?

49. NO₂ o dissolution in water produce

HNO₃ and HNO₂

HNO₃

HNO₂ and NO

HNO₂

50. Which statement about oxygen and sulphur is not true?

Both are usually divalent

Both combine with metals to form O²¯ and S²¯

Both exhibit allotropic form

Both are paramagnetic

Page 3 of 3

51. When SO₂ is passed through acidified K₂Cr₂O₇ solution?

Green Cr₂(SO₄)₃ is formed

The solution is decolourised

SO₂ is reduced

The solution turns blue

52. White phosphorus is

A mono atomic gas

P₅, a crown

P₄, a tetrahedral solid

A linear diatomic molecule

53. Relatively pure sulphuric acid is manufactured by

Contact process

Haber’s process

Castner’s process

Lead chamber process

54. Which gas has a pungent smell?

NO₂

N₂O₃

N₂O

55. An element that has a high ionization energy and tends to be chemically inactive would most likely to be

A noble gas

A halogen

An alkali metal

A transition element

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Malik TahirLast Updated: May 24, 2025

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Chemistry Group VA and VIA Elements MCQS Online Test

MDCAT Chemistry Group VA and VIA Elements Chapter Online Test

MDCAT Chemistry Group VA and VIA Elements Test

Chemistry

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