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InOrganic Chemistry -- Periodic Table
1.
The correct order of increasing radius of the elements Si, Al, Na and P is
- A.Si, Al, P, Na
- B.P, Si, Al, Na
- C.Al, Si, P, Na
- D.Al, P, Si, Na
- Answer
- Report
Answer : [B]
2.
Which of the following series of elements have nearly the same atomic radii?
- A.F, Cl, Br, I
- B.Na, K, Rb, Cs
- C.Li, Be, B, C
- D.Fe, Co, Ni, Cu
- Answer
- Report
Answer : [D]
3.
In which of the following pairs is the second atom larger than the first?
- A.Br, Cl
- B.Na, Mg
- C.Sr, Ca
- D.N, P
- Answer
- Report
Answer : [D]
4.
Which of the following compounds may one expect to be strongly ionic in character?
- A.BaCl2
- B.CsCl
- C.CaCl2
- D.SrCl2
- Answer
- Report
Answer : [B]
5.
The order of increasing electron affinity of the electronic configurations
- 1s2 2s2 2p6 3s2 3p5
- 1s2 2s2 2p3
- 1s2 2s2 2p5
- 1s2 2s2 2p6 3s1
- A.(ii), (iv), (iii), (i)
- B.(i), (ii), (iii), (iv)
- C.(i), (iii), (ii), (iv)
- D.(iv), (iii), (ii), (i)
- Answer
- Report
Answer : [A]
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