MCQ-26
Which of the following elements of IIA has the lowest melting point in group IIA
A. Be
B. Mg
C. Ca
D. Sr
Answer: B
MCQ-27
Which of the following is the correct trend of reactivity of II-A group, elements with oxygen and water?
A. Be> Mg > Ca > Sr > Ba
B. Be> Mg > Ba > Ca > Sr
C. Ba > Sr > Ca > Mg > Be
D. Ca > Sr > Mg > Ba > Be
Answer: C
MCQ-28
Choose the incorrect statement
A. All the metals form acidic oxides
B. All the metals form positive ions
C. All the metals are good conductors of electricity
D. All metals have low I.E than non-metals
Answer: A
MCQ-29
Which of the following group elements are strong reducing agents?
A. IA
B. IIA
C. IIIA
D. VIIA
Answer: A
MCQ-30
Choose the correct option in which group IA metals differ from group IIA metals.
A. Large atomic radii of IA than IIA
B. Low ionization of IA than IIA
C. More electro positivity of IA than IIA
D. All are correct
Answer: D
