Solved Test Series, Practice Questions Bank for JEE, NEET | s-Block Elements | Alkali and Alkaline Earth Metals

 s-Block Elements (Alkali Metals, Alkaline Earth Metals)
Chemistry India Study Solution Test Series

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Here we bring you a new Set-4 (Questions 31 - 40) of practice questions from chemistry test series, s-Block Elements or Alkali Metals (Group 1 elements) and Alkaline Earth Metals (Group 2 elements).

Each set comprising 10 MCQ objective questions with hints & solutions (given at the end) from our Chemistry Solutions exclusively from Group-I and Group-II elements of Periodic Table.

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Chemistry Practice Questions: s-Block Elements

(Group 1 Elements: Alkali Metals; Group 2 Elements: Alkaline Earth Metals)

India Study Solution MCQ Test Series – Set 4 (Q. No 31-40)

Question 31: Which compound is highest covalent -

a. LiCl

b. LiF

c. LiBr

d. Lil

 

Question 32: Ionisation potentials of alkaline earth metals are -

a. less than alkali metals

b. same as that of alkali metals

c. more than alkali metals

d. equal to zero group elements

 

Question 33: On combustion in excess of air sodium mainly forms -

a. Na₂O

b. Na₂O₂

c. NaO₃

d. none

 

Question 34: Which of the following has largest size in aqueous solution?

a. Li

b. Na

c. K

d. Cs

 

Question 35: Which one of the following is the correct statement?

a. Beryllium exhibits coordination number of six.

b. Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase.

c. B₂H₆.2NH₃ is known as ‘inorganic benzene’.

d. Boric acid is a protonic acid.

 

Question 36: Lithopone is a mixture of -

a. barium sulphate and zinc sulphide

b. barium sulphide and zinc sulphide

c. calcium sulphate and zinc sulphide

d. calcium sulphide and zinc sulphide

 

Question 37: Reaction of Cl₂ with hot and conc. NaOH produces

a. NaClO

b. NaClO₃

c. NaClO₄

d. NaClO₂

 

Question 38: Epsom salt is

a. MgSO₄ : 7H₂O

b. CaSO₄ : H₂O

c. MgSO₄ : 2H₂O

d. BaSO₄ : 2H₂O

 

Question 39: Suspension of slaked lime in water is called -

a. quick lime

b. milk of lime

c. lime water

d. washing of lime

 

Question 40: H₂O₂ → H₂O + O₂

a. Oxidation of H₂O₂

b. Reduction of H₂O₂

c. Disproportionation of H₂O₂

d. Acidic nature of H₂O₂

 

India Study Solution - Hints and Solutions Chemistry MCQ Test Series

s-Block Elements

(Group 1 Elements: Alkali Metals; Group 2 Elements: Alkaline Earth Metals)

Solutions of Chemistry Test Series (MCQ) – Set 4 (Q. No.31–40)

https://www.indiastudysolution.com

Answer 31: d. Answer 32: c. Answer 33: b.

(Hint: Na + ½ O₂ → Na₂O; Na₂O + ½ O₂ → Na₂O₂

Na₂O₂ is the main product having some NaO₂).

Answer 34: a. Answer 35: b. Answer 36: a. Answer 37: b. Answer 38: a. Answer 39: b. Answer 40: c.

 s-Block Elements (Alkali and Alkaline Earth Metals): 
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