2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.1
Periodic Classification of Elements and Periodicity
Total MCQs = 37
26. Which is more acidic oxide? (SGD 2019 GI)
A. MnO
B. Mn2O3
C. MnO2
D. MnO7
Answer:
D. MnO7
27. Which one is not a periodic property? (BWP 2019 GI)
A. Ionization energy
B. Density
C. Atomic radii
D. Hydration energy
Answer:
B. Density
28. Keeping in view the size of atoms, which order is the correct one. (SGD 2016) (RWP, DGK 2017) (LHR 2015, 2018) (GRW 2017, 2019)
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. Cl > I
Answer:
B. Ba > Mg
29. Mark the correct statement. (MTN 2015) (DGK 2016, 2018) (LHR 2015, 2016, 2019) (AJK 2019)
A. Na+ is smaller than Na atom
B. Na+ is larger than Na atom
C. Cl– is smaller than Cl atom
D. Cl– (ion) and Cl (atom) equal in size
Answer:
A. Na+ is smaller than Na atom
30. Mark the correct statement (SGD 2018)
A. All lanthanides are present in the same group
B. All haloghens are present in the same period
C. All the alkali metals are present in the same group
D. All the noble gases are present in the same period
Answer:
C. All the alkali metals are present in the same group
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