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InOrganic Chemistry -- Hydrogen and Oxygen
11.
Superoxides are
- A.stronger oxidizing agents than peroxides
- B.weaker oxidizing agents than peroxides
- C.weaker reducing agents than oxygen
- D.stronger reducing agents than H2O2
- Answer
- Report
Answer : [A]
12.
Which of the following statements is correct? NaO2 has a
- A.graphite-like structure.
- B.rock-salt (NaCl)-like structure
- C.pyrite (FeS2)-like structure
- D.fluorite (CaF2)-like structure.
- Answer
- Report
Answer : [A]
13.
Ortho- and parahydrogen differ in
- A.atomic number
- B.mass number
- C.nuclear spin
- D.all of these
- Answer
- Report
Answer : [C]
14.
In ozone, the central oxygen atom uses
- A.roughly sp2 orbitals for σ-bonding
- B.sp orbitals for π-bonding
- C.sp3 orbitals for σ-bonding
- D.pdz 2 orbitals for σ- and π-bonding
- Answer
- Report
Answer : [A]
15.
The structure of ozone involves
- A.delocalized three-centre σ-bonding
- B.delocalized three-centre π-bonding
- C.delocalized three-centre σ- as well as π-bonding
- D.localized π-bonding
- Answer
- Report
Answer : [B]
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