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InOrganic Chemistry -- Periodic Table
21.
Which of the following properties does not depend on periodicity?
- A.Atomic weight
- B.Atomic number
- C.Ionization energy
- D.Electronegativity
- Answer
- Report
Answer : [A]
22.
The electronegativity of the following elements increases in the order
- A.C < N < Si < P
- B.Si < P < C < N
- C.N < C < P < Si
- D.C < Si < N < P
- Answer
- Report
Answer : [B]
23.
Which of the following is arranged in order of increasing radius?
- A.K+(aq)< Na+(aq)<Li+(aq)
- B.K+(aq)>Na+(aq)>Zn2+(aq)
- C.K+(aq)<Li+(aq)<Na+(aq)
- D.Li+(aq)<Na+(aq)K+(aq)
- Answer
- Report
Answer : [A]
24.
The third ionization energy is maximum for
- A.nitrogen
- B.phosphorus
- C.aluminium
- D.boron
- Answer
- Report
Answer : [A]
25.
The correct order of increasing atomic radius of the following elements is
- A.S < O < Se < C
- B.O < C < S < Se
- C.O < S < Se < C
- D.C < O < S < Se
- Answer
- Report
Answer : [B]
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