In this post we have shared some Practice MCQs of S and P block Elements. Practice them for MDCAT Preparation.
1. The most vigorous reaction with water is shown by
A) Li
A) Li
B) Na
B) Amphoteric
B) It is an alkali metal
15. Which is incorrect about Boron
A) Boron does not form ionic compounds
B) Boron is non-metal
C) K
D) Rb
2. ____________ element does not react with water even at high temperature.
A) Be
B) Rb
2. ____________ element does not react with water even at high temperature.
A) Be
B) Rb
C) Ba
D) Mg
3. Which of the following has the least ionization potential?
A) He
B) Li
3. Which of the following has the least ionization potential?
A) He
B) Li
C) Zn
D) N
4. The hydroxide of which of the following is most soluble in water:
A) Mg
B) Ba
4. The hydroxide of which of the following is most soluble in water:
A) Mg
B) Ba
C) Ca
D) Be
5. As the alkaline earth metals (except Be) tend to lose their valence electrons readily, they act as:
A) Bases
B) Strong reducing agents
5. As the alkaline earth metals (except Be) tend to lose their valence electrons readily, they act as:
A) Bases
B) Strong reducing agents
C) Weak oxidizing agents
D) Weak reducing agents
6. Which of the following reagents when mixed and heated with ammonium sulphate liberates NH3
A) aq. Bromine
B) lime water
6. Which of the following reagents when mixed and heated with ammonium sulphate liberates NH3
A) aq. Bromine
B) lime water
C) dilHCl
D) acidified K2Cr2O7
7. When we heat Na2CO3, it evolves
A) CO2
B) CO
7. When we heat Na2CO3, it evolves
A) CO2
B) CO
C) water vapours
D) no gas
8. A gas evolved, when combustion product of Mg is passed through water. Nature of gas will be:
A) Acidic
8. A gas evolved, when combustion product of Mg is passed through water. Nature of gas will be:
A) Acidic
B) Amphoteric
C) Basic
D) Neutral
9. Element M has a high density and a high melting point. It forms divalent chloride, MCl2. What does this suggest about element M?
A) It is a Group II metal
9. Element M has a high density and a high melting point. It forms divalent chloride, MCl2. What does this suggest about element M?
A) It is a Group II metal
B) It is an alkali metal
C) it is a Group IV metal
D) It is a transition metal
10. The correct order of atomic radii is:
A) F < K < Na < Li
B) F < Li < Na < K
A) F < K < Na < Li
B) F < Li < Na < K
C) Li < Na < K <F
D) Na < K < Li < F
11. Aqueous solution of Na2B4O7 is alkaline in nature it is due to
A) hydration of Na2B4O7
B) reduction of Na2B4O7
11. Aqueous solution of Na2B4O7 is alkaline in nature it is due to
A) hydration of Na2B4O7
B) reduction of Na2B4O7
C) hydrolysis of Na2B4O7
D) Both A) and B)
12. Ionic radii are
A) Inversely proportional to effective nuclear charge
B) Inversely proportional to square of effective nuclear charge
C) Directly proportional to effective nuclear charge
D) Directly proportional to square of effective nuclear charge
13. The atomic radius decreases in a period due to
A) Increase in nuclear attraction.
B) Increase in number of electrons
12. Ionic radii are
A) Inversely proportional to effective nuclear charge
B) Inversely proportional to square of effective nuclear charge
C) Directly proportional to effective nuclear charge
D) Directly proportional to square of effective nuclear charge
13. The atomic radius decreases in a period due to
A) Increase in nuclear attraction.
B) Increase in number of electrons
C) Decrease in nuclear attraction
D) Decrease in number of electrons
14. The order of first ionization energies of element Li, Be, B , Na is
A) Be > Li > B > Na
14. The order of first ionization energies of element Li, Be, B , Na is
A) Be > Li > B > Na
B) B > Be > Li > Na
C) Na > Li > B > Be
D) Be > B > Li > Na
15. Which is incorrect about Boron
A) Boron does not form ionic compounds
B) Boron is non-metal
C) Boron can follow extended Octet rule.
D) Common oxidation state of boron is + 3 and -3
16. What is the role of Al in Aluminothermic process;
A) Reducing process
B) Oxidizing agent
C) Solder
D) A flux
17. Which one is the most powerful oxidising agent.
A) F2
B) Cl2
17. Which one is the most powerful oxidising agent.
A) F2
B) Cl2
C) Br2
D) I2
18. The electronic configuration of four different elements is given below. Identify the element belong to VA group:
A) [He], 2s2,2px1,2py1
B) [Kr], 5s2,5px2,5py1,5pz1
18. The electronic configuration of four different elements is given below. Identify the element belong to VA group:
A) [He], 2s2,2px1,2py1
B) [Kr], 5s2,5px2,5py1,5pz1
C) [Ar], 4s2,4px1,4py1,4pz1
D) [Ne], 3s2,3px2,3py2,3pz1
19. When hydrogen iodide reacts with sulphur forming iodine and hydrogen sulphide. Which one acts as the reducing agent.
A) Hydrogen sulphide
B) Hydrogen iodide
19. When hydrogen iodide reacts with sulphur forming iodine and hydrogen sulphide. Which one acts as the reducing agent.
A) Hydrogen sulphide
B) Hydrogen iodide
C) Iodine
D) Sulphur
20. Which of the following hydrogen halide is the weakest acid?
A)HF
B) HI
20. Which of the following hydrogen halide is the weakest acid?
A)HF
B) HI
C) HBr
D) HCl
21. The solubility of noble gases in water
A) Increases down the group
B) Remains the same
21. The solubility of noble gases in water
A) Increases down the group
B) Remains the same
C) Decreases down the group
D) All are insoluble
22. Halogens form ionic compounds with elements of:
A) s-block
B) d-block
22. Halogens form ionic compounds with elements of:
A) s-block
B) d-block
C) p-block
D) f-block
23. First ionization energy is highest for:
A)He
B) F
23. First ionization energy is highest for:
A)He
B) F
C) N
D) Ne
24. The reddish brown coloured gas formed when nitric oxide is oxidized by air is
A) N2O5
B) N2O3
24. The reddish brown coloured gas formed when nitric oxide is oxidized by air is
A) N2O5
B) N2O3
C) NO2
D) N2O4
25. The electronic configuration of four different elements is given below. Identify the group IV element among these
A) [He] 2s1
B) [Ne] 3s2 3p2
C) [Ne] 3s2 3p3
D) [Ne] 3s2 3p5
26. Which one of these can contribute to acid rain:
A) N2
B) PbO
26. Which one of these can contribute to acid rain:
A) N2
B) PbO
C) SO2
D) CO
27. The highest ionization energy is possessed by the given VA elements is
A) N
B) Sb
27. The highest ionization energy is possessed by the given VA elements is
A) N
B) Sb
C) P
D) fo
28. Property of alkaline earth metals that increases with their atomic number is:
A) Ionization energy
28. Property of alkaline earth metals that increases with their atomic number is:
A) Ionization energy
B) Solubility of their hydroxides
C) Solubility of their sulphates
D) Electronegativity
29. Which one of the following order is not is accordance with the property stated against it?
A) πΉ2 > πΆπ2 > π΅π2 > πΌ2 ; electronegativity
B) πΉ2 > πΆπ2 > π΅π2 > πΌ2 ; Oxidizing power
C) πΉ2 > πΆπ2 > π΅π2 > πΌ2 ; Bond dissociation energy
D) π»πΌ > π»π΅π > π»πΆπ > π»πΉ; Acidic property in water
30. Identify the correct order in which the ionic radius of the following ions increases:
(i) πβ (ii) π΅π+ (iii) π΅ππβ
A) iii, I, ii
B) ii , iii , i
C) I ,ii , iii
D) ii, I , iii
30. Identify the correct order in which the ionic radius of the following ions increases:
(i) πβ (ii) π΅π+ (iii) π΅ππβ
A) iii, I, ii
B) ii , iii , i
C) I ,ii , iii
D) ii, I , iii
Answers and Explanations of all tests will be uploaded on our YouTube channel National MDCAT Prep. Plus on our YouTube channel we upload MDCAT Preparation related content that is focussed on Concepts building, Discussion, and Guidance for MDCAT.
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