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InOrganic Chemistry -- Periodic Table
11.
Among the following electronic configurations, the one corresponding to
the element with the highest ionization energy is
- A.[Ne] 3s2 3p1
- B.[Ar] 3d10 4s24p2
- C.[Ne] 3s2 3p2
- D.[Ne] 3s2 3p3
- Answer
- Report
Answer : [D]
12.
Of which of the following elements is the first ionization energy the lowest?
- A.Lead
- B.Carbon
- C.Silicon
- D.Tin
- Answer
- Report
Answer : [D]
13.
Among the following elements, which has the highest ionization energy?
- A.Nitrogen
- B.Chromium
- C.Neon
- D.Manganese
- Answer
- Report
Answer : [C]
14.
The thermal stability of BaCO3, CaCO3, SrCO3 and MgCO3 decreases in the order
- A.BaCO3 > SrCO3> MgCO3 > CaCO3
- B.CaCO3 > SrCO3 > MgCO3 > BaCO3
- C.MgCO3 > CaCO3 > SrCO3 > BaCO3
- D.BaCO3 > SrCO3 > CaCO3 > MgCO3
- Answer
- Report
Answer : [D]
15.
Which of the following has the maximum number of unpaired electrons?
- A.Ti3+
- B.V3+
- C.Fe3+
- D.Fe3+
- Answer
- Report
Answer : [C]
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