MCQ-31
How many non-metals are present in the s-block?
A. Zero
B. One
C. Two
D. Four
Answer: C
MCQ-32
Which of the following ion exhibit colour in aqueous solution?
A. Ti+4
B. Cu+1
C. Zn+2
D. Mn+2 Answer: D
MCQ-33
Which of the following is correct regarding the IA elements in the group?
A. Atomic radius increase
B. Shielding effect increase
C. Atomic number increase
D. All of the above
Answer: D
MCQ-34
Which property of alkaline earth metals decreases with the increase in atomic number
A. Solubility of oxides
B. Reactivity of oxides
C. Ionization energy
D. Density
Answer: C
MCQ-35
Which of the following compound has a negative charge on the coordination sphere?
A. K4[Fe(CN)6]
B. [Cu(NH3)4]SO4
C. [Fe(CO)5]
D. [Ag(NH3)2]CI
Answer: A
