2nd Year Chemistry S-Block Elements
MCQs Chapter No. 2 Solved Exercise
Q.4 Multiple choice questions. Encircle the correct answer:
(i) Which one of the following does not belong to alkaline-earth metals:
(a) Be
(b) Ra
(c) Ba
(d) Rn
Answer:
(d) Rn
(ii) The oxides of beryllium are
(a) Acidic
(b) Basic
(c) Amphoteric
(d) None of these
Answer:
(c) Amphoteric
(iii) Which ion will have the maximum value of heat of hydration:
(a) Na+
(b) Cs2+
(c) Ba2+
(d) Mg+
Answer:
(d) Mg+
(iv) Which one of the following is not an alkali metals:
(a) Francium
(b) Caesium
(c) Rubidium
(d) Radium
Answer:
(d) Radium
(v) Which of the following sulphates is not soluble in water:
(a) Sodium sulphate
(b) Potassium sulphate
(c) Zinc sulphate
(d) Barium sulphate
Answer:
(d) Barium sulphate
