The s Block Elements Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQs on The s Block Elements Class 11, which will help them all through their board tests.
The s Block Elements Class 11 MCQ Questions with Answers
Class 11 Chemistry MCQ with answers are given here to Chapter 10 The s Block Elements. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 Chemistry syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.
Learn Class 11 The s Block Elements MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Chemistry The s Block Elements MCQ with answers given below
Question 1. Which of the following has largest size ?
(d) Can’t be predicted
Question 2. Ionization potential of Na would be numerically the same as
(a) electron affinity of Na+
(b) electronegativity of Na+
(c) electron affinity of He
(d) ionization potential of Mg
Question 3. Which of the following are found in biological fluids Na+, Mg2+, Ca2+, K+, Sr2+, Li+ and Ba2+
(a) Mg2+, Ca2+, and Sr2+
(b) Na2 +and K+
(c) Na+, K+, Mg2+and Ca2+
(d) Sr+, Li and Ba2+
Question 4. Which of the following statements is not correct for alkali metals?
(a) Alkali metals are the most electropositive metals.
(b) Alkali metals exist in free state in nature.
(c) These metals have the largest size in a particular period of the periodic table.
(d) Both (b) and (c)
Question 5. Which one of the following properties of alkali metals increases in magnitude as the atomic number rises ?
(a) Ionic radius
(b) Melting point
(d) First ionization energy.
Question 6. The metal that produces red-violet colour in the nonluminous flame is
Question 7. Group 2 elements are called alkaline earth metals why? Choose the correct reason(s).
(i) Hydroxides formed by group 2 elements are alkaline in nature.
(ii) Their metal oxides are found in the earth’s crust.
(iii) Their oxides are alkaline in nature
(iv) Group 2 elements react with alkalies.
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii) and (iii)
Question 8. The element which on burning in air gives peroxide is
Question 9. Which of the following has density greater than water?
Question 10. Which of the following alkali metal is highly radioactive?
(d) Both (a) and (c)
Question 11. The alkali metals have low melting point. Which of the following alkali metal is expected to melt if the room temperature rises to 30°C?
Question 12. In the case of the alkali metals
(a) the cation is less stable than the atom
(b) the cation is smaller than the atom
(c) the cation and the atom have about the same size
(d) the cation is larger than the atom
Question 13. For an aqueous solution under an electric field which of the following have lowest mobility ?
Question 14. The elements of group 1 provide a colour to the flame of Bunsen burner due to
(a) low ionization potential
(b) low melting point
(d) presence of one electron in the outermost orbit
Question 15. Which one of the alkali metals, forms only, the normal oxide, M2O on heating in air ?
Question 16. Which of the following is used as a source of oxygen in space capsules, submarines and breathing masks ?
Question 17. The ionic mobility of alkali metal ions in aqueous solution is maximum for
Question 18. Which of the following pairs of substances would give same gaseous product on reaction with water?
(a) Na and Na2O2
(b) Ca and CaH2
(c) Ca and CaO
(d) Ba and BaO2
Question 19. Which is the most basic of the following?
Question 20. Na metal is stored in
Question 21. Which hydride is most stable
Question 22. What is the colour of solution of alkali metals in liquid ammonia?
Question 23. Which is most basic in character ?
Question 24. The most stable compound is
Question 25. Which of the following metal is used along with lithium to make the alloy named ‘white metal’ ?
Whoever needs to take the CBSE Class 11 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 11 Chemistry Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These The s Block Elements Class 11 MCQ are ready by the subject specialists themselves.
Question 26. Which of the following metal is used as a coolant in breeder nuclear reactors?
Question 27. In crystals which one of the following ionic compounds would you expect maximum distance between centres of cations and anions?
Question 28. Which of the following represents a correct sequence of reducing power of the following elements?
(a) Li > Cs > Rb
(b) Rb > Cs > Li
(c) Cs > Li > Rb
(d) Li > Rb > Cs
Question 29. Which compound will show the highest lattice energy ?
Question 30. Which of the following does not illustrate the anomalous properties of lithium?
(a) The melting point and boiling point of Li are comparatively high
(b) Li is much softer than the other group I metals
(c) Li forms a nitride Li3N unlike group I metals
(d) The ion of Li and its compounds are more heavily hydrated than those of the rest of the group
Question 31. Why lithium react less vigorously with water than other alkali metals?
(a) Lithium has most negative E Θ value
(b) Lithium has small size and very high hydration energy.
(c) Lithium has least negative E Θ value
(d) Both (a) and (b)
Question 32. On heating anhydrous Na2CO3,…….is evolved
(b) water vapour
(d) no gas
Question 33. Complete the following two reactions.
(i) 4LiNO3 → x + O2
(ii) 2NaNO3 → y + O2
(a) x = LiNO2, y = NaNO2
(b) x = Li2O + NO2, y = Na2O + NO2
(c) x = Li2O + NO2, y = NaNO2
(d) x = LiNO2, y = Na2O + NO2
Question 34. Identify the correct statement
(a) Elemental sodium can be prepared and isolated by electrolysing an aqueous solution of sodium chloride
(b) Elemental sodium is a strong oxidising agent
(c) Elemental sodium is insoluble in ammonia
(d) Elemental sodium is easily oxidised
Question 35. Among LiI, NaI, KI, the one which is more ionic and more soluble in water is
(d) None of these
Question 36. The products obtained on heating LiNO2 will be
(a) Li2O+ NO2 +O2
(b) Li3N + O2
(c) Li2O+ NO+ O2
(d) LiNO3 + O2
Question 37. How NH3 is recovered in Solvay process?
(a) By reaction of NH4Cl and Ca(OH)2
(b) By reaction of NH4HCO3 and NaCl
(c) By reaction of (NH4)2CO3 with H2O
(d) By any of the above
Question 38. Why Solvay process cannot be extended to the manufacture of potassium carbonate?
(a) Ammonium hydrogen carbonate does not react with potassium chloride.
(b) Potassium hydrogen carbonate is too soluble to be precipitated by the addition of ammonium hydrogencarbonate to a saturated solution of potassium chloride.
(c) Ammonium carbonate is precipitated out instead of potassium hydrogen carbonate on reaction of ammonium hydrogen carbonate with potassium chloride
(d) None of the above
Question 39. Washing soda has formula
Question 40. Sodium carbonate is manufactured by Solvay process. The products which can be recycled are
(a) CO2 and NH3
(b) CO2 and NH4Cl
(c) NaCl and CaO
(d) CaCl2 and CaO.
Question 41. In Solvay ammonia process, sodium bicarbonate is precipitate due to
(a) presence of NH3
(b) reaction with CO2
(c) reaction with brine solution
(d) reaction with NaOH
Question 42. Which of the following is/are present as impurity in crude sodium chloride, obtained by crystallisation of brine solution?
(i) Sodium sulphate
(ii) Calcium chloride
(iii) Magnesium chloride (iv) Potassium chloride
(a) (i), (ii) and (iv)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i), (ii) and (iii)
Question 43. The process associated with sodium carbonate manufacture is known as
Question 44. Which of the following is non-metallic?
Question 45. Electronic configuration of calcium atom may be written as
(a) [Ne], 4p2
(b) [Ar], 4s2
(c) [Ne], 4s2
(d) [Ar], 4p2
Question 46. The outer electronic configuration of alkaline earth metal is
Question 47. Which is manufactured by electrolysis of fused NaCl ?
Question 48. Baking soda is
Question 49. Baking powder contains :
(a) NaHCO3, Ca(H2PO2)2 and starch
(b) NaHCO3, Ca(H2PO2)2
(c) NaHCO3, starch
Question 50. Which of the following is the most abundant ion within cell fluids?
(a) Sodium ions
(b) Potassium ions
(c) Calcium ions
(d) None of these
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Frequently Asked Question (FAQs)
How many MCQ questions are there in Class 11 chapter 10 Chemistry?
In Class 11 Chapter 10 Chemistry, we have provided 50 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 11 exam.
Can we score good marks in Class 11 Chemistry with the help of The s Block Elements MCQ Questions?
Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 11 Chemistry exam.