XII Chemistry S,P and D Block (inorganic) Online Test Mdcat-2024

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Test Details:

Subject: Chemistry
Class: 2nd year or 12
Chapter name: S,P and D block (inorganic Chemistry)
Test: MDCAT 2024
Book: Sindh Textbook
Total No. Of MCQS: 50
Time Allowed: 50 Minutes

1409

Created on April 22, 2024 By

medicoengineer.com

XII Chemistry S P and D block (inorganic) Online Test Mdcat-2024

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NameEmailPhone Number

1 / 50

1. The substances that are attracted by magnetic field are called______.

a) Diamagnetic

b) Paramagnetic

c) Ferromagnetic

d) None

2 / 50

2. The alloy with the composition of aluminum, copper, magnesium, and manganese is:

a) Stainless steel

b) Duralumin

c) Brass

d) Bronze

3 / 50

3. What is the composition of Bronze alloy?

a) Copper and Zinc

b) Copper and aluminum

c) Chromium and Nickel

d) Cu, Zn,Sn

4 / 50

4. Different complex ions of transition metals show different colors depending on?

a) Oxidation state of metal

b) Nature of ligand

c) Atomic number

d) Both A and B

5 / 50

5. Which complex ions are generally colorless?

a) Zinc

b) Copper

c) Chromium

d) Tin

6 / 50

6. Which of the following is the incorrect IUPAC rule for the naming of coordination compounds

a) Cation is always named before anion

b) The name of neutral ligands usually remain unchanged

c) While naming coordination sphere, name of ligand is written prior to the name of metal

d) None, as all are correct rules

7 / 50

7. Chromium in its lower oxidation states serves as____ while in its higher oxidation States it serves as ___.

a) Oxidizing agent, Reducing agent

b) Reducing agent,Oxidizing agent

c) Reducing agent in both

d) Oxidizing agent in both

8 / 50

8. When potassium dichromate is dissolved in water at neutral pH, it shows :

a) Bluish Colour

b) Orange red color

c) Purple colour

d) Pink Colour

9 / 50

9. Manganese play vital role in:

a) Manganese plays vital role in:

b) Bone development

c) Enzyme activation

d) All of these

10 / 50

10. Oxidation state of manganese in manganese dioxide is

a) +7

b) +4

c) +2

d) -7

11 / 50

11. In basic or neutral medium potassium permanganate accepts ____ electrons.

a) 5 electrons

b) 4 electrons

c) 3 electrons

d) Zero electrons

12 / 50

12. The fourth most abundant element in Earth's crust is_______.

a) Oxygen

b) Silicon

c) Iron

d) Aluminum

13 / 50

13. The process of extracting metals like copper from its ore is called?

a) Metallurgy

b) Roasting

c) Bessemerization

d) Smelting

14 / 50

14. Binding energy of d-block elements increases along the period due to?

a) Increasing atomic radius

b) Increasing M.P and B.P

c) Decreasing nuclear charge

d) Increasing nuclear charge

15 / 50

15. The amount of energy required to separate constituents of a bound system , such as atoms ,nuclei or particles is called

a) Binding energy

b) Ionization energy

c) Enthalpy

d) Energy of affinity

16 / 50

16. Which of the following electronic configuration represents copper?

a) 4s²,3d⁹

b) 4s¹,3d¹⁰

c) 4s¹,3d⁵

d) 4s²,3d⁴

17 / 50

17. MP and B.P of d-block elements show ___ trend along the period>

a) Increasing

b) Decreasing

c) Constant

d) Irregular

18 / 50

18. 5d-series of d-block elements consists of elements from?

a) yttrium (Y) to Cadmium (Cd )

b) Lanthanum(La) to mercury (Hg )

c) Actinium(Ac) to copernicium (Cn )

d) None of these

19 / 50

19. 3d-series of d-block elements is located in?

a) 3rd period

b) 4th period

c) 5th period

d) 6th period

20 / 50

20. The elements that possess partially occupied d-orbitals are commonly referred to as

a) Outer transition elements

b) Inner transition elements

c) S-block elements

d) metalloids

21 / 50

21. Which of the following is not the use of bleaching powder?

a) It is used for sterilization of water

b) It is used for bleaching of cotton, linen and paper

c) It is used for the preparation of chlorine and chloroform gas

d) None, as all of these are the uses of bleaching powder

22 / 50

22. Bleaching powder is prepared by?

a) Castner Kellner Cell

b) Hasenclever process

c) Ammonia solvay process

d) Contact process

23 / 50

23. Sodium Hydroxide is ____ at Room Temperature.

a) Solid

b) Liquid

c) Gas

d) plasma

24 / 50

24. Castner Kellner cell is used for the preparation of?

a) Bleaching Powder

b) Caustic Soda

c) Baking soda

d) Washing Soda

25 / 50

25. Bond energy of H-I is ___ so it is :

a) Largest, Strongest acid among HX

b) Smallest, Weakest acid among HX

c) Smallest, Strongest acid among HX

d) Largest, Weakest acid among HX

26 / 50

26. Acidity of Hydrogen Halides ____?

a) Increases

b) Decreases

c) First Increase then decrease

d) First decrease then increase

27 / 50

27. Which of the following is the strongest oxidizing agent.

a) Lithium

b) Cesium

c) Fluorine

d) Chlorine

28 / 50

28. Chlorine reacts with water to form HCl and HOCl. In this reaction chlorine ____ to HCl and ____ to HOCl.

a) Oxidizes, Reduces

b) Reduces, Oxidizes

c) Oxidizes, Oxidizes

d) Reduces, Reduces

29 / 50

29. Oil of vitriol can be made by which process?

a) Ammonia Solvay Process

b) Dawn's method

c) Contact process

d) Drazen’s process

30 / 50

30. Oxidation state of Sulphur in sulphuric acid is?

a) +6

b) -6

c) +8

d) -8

31 / 50

31. select the correct statement for Sulphuric acid:

a) It is used in lead acid batteries

b) It is dibasic acid

c) It serves as dehydrating agent

d) All of these

32 / 50

32. Which of the following pair don't form cation?

a) Li and Mg

b) Be and Al

c) B and Si

d) None of these

33 / 50

33. Which of the following show passivity with nitric acid?

a) Li and Mg

b) Be and Al

c) B and Si

d) N and S

34 / 50

34. It is used in the manufacturing of fertilizers, nitric acid and refrigeration.

a) Borax

b) Ammonia

c) Chlorine

d) Alum

35 / 50

35. General formula of borax is:

a) H₃B0₃

b) Na₂B₄0₇.10H₂O

c) Na₂B₄0₇.7H₂O

d) None of these

36 / 50

36. Metallic and basic nature of oxides ____ as we move along the period

a) Increases

b) Decreases

c) First increases than decreases

d) Remains constant

37 / 50

37. Which will show maximum non-metallic character?

a) B

b) Be

c) Mg

d) Al

38 / 50

38. Reaction of water with sodium and potassium is :

a) Exothermic

b) Endothermic

c) Reversible

d) Irreversible

39 / 50

39. Which one of the alkali metal form only normal oxides M₂O on heating in air

a) Rb

b) K

c) Li

d) Na

40 / 50

40. The most electropositive among the alkaline earth metals is?

a) Sr

b) Mg

c) Ca

d) Ba

41 / 50

41. The color given to the flame by sodium salt is?

a) Light red

b) Golden Yellow

c) Green

d) Pink

42 / 50

42. Which of the following gives green color to the flame?

a) Na

b) K

c) Ba

d) Ca

43 / 50

43. Select the correct statement regarding reaction of alkali and alkaline metals with halogen:

a) Alkali metals react with halogens at faster rate than Alkaline earth metals

b) Alkaline earth metals react with halogens at faster rate than alkali metals

c) Both react at same rate

d) Both do not show reaction with halogens

44 / 50

44. Among alkaline earth metals which of the following does not react with water either cold or stream?

a) Be

b) Mg

c) Be and Mg

d) Ca

45 / 50

45. Which of the following element in alkali group forms peroxides?

a) Li

b) Na

c) K

d) Rb

46 / 50

46. In RbO₂ what is the oxidation state of Oxygen?

a) -2

b) -1

c) -1/2

d) +1

47 / 50

47. Alkali metals have ___ due to ___

a) High M.P & B. P, strong metallic bonding

b) High M. P & B. P, weak metallic bonding

c) Low M.P & B. P, strong metallic bonding

d) Low M. P & B.P, weak metallic bonding

48 / 50

48. Which of the following group in periodic table have high electrical conductivity?

a) Group IA and IIA

b) Group IIIA

c) Group IVA,VA and VIA

d) Noble gases

49 / 50

49. As we move down the group, ionization energy of IA and IIA group elements :

a) Increases

b) Decreases

c) Remains same

d) First decrease then increase

50 / 50

50. Which of the following is the smallest alkaline earth metal ?

a) Lithium

b) Beryllium

c) Barium

d) Calcium

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