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InOrganic Chemistry -- Carbon
21.
Which of the following metal carbonates produces the corresponding
metal on strong heating?
- A.FeCO3
- B.Li2CO3
- C.CaCO3
- D.Ag2CO3
- Answer
- Report
Answer : [D]
22.
C60 can be regarded as a huge ball made up of
- A.several conjugated alkene units rather than an aromatic molecule
- B.graphite units
- C.several aromatic benzene molecules
- D.several tetrahedrons
- Answer
- Report
Answer : [A]
23.
On hydrolysis, magnesium carbide produces
- A.acetylene
- B.butyne
- C.propane
- D.propyne
- Answer
- Report
Answer : [D]
24.
Which of the following solutions can absorb carbon monoxide under ordinary conditions?
- A.Baryta water
- B.A dilute ammonia solution
- C.Limewater
- D.An ammoniacal cuprous chloride solution
- Answer
- Report
Answer : [D]
25.
The structure of SiC is
- A.that of a layered lattice
- B.linear
- C.tetrahedral
- D.square planar
- Answer
- Report
Answer : [C]
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