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NEET Chemistry MCQ
Carbon Family Mcq Neet Chemistry
Quiz 6
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Q.1
Which of the following is used as as an oxidising agent in the laboratory?
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a) Lead acetate
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b)Lead hydride
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c) Basic lead carbonate
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d) Lead tetraacetate
Explanation
Answer: (d)
Q.2
Calcium does not combine directly with ...
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a) C
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b) O
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c) N
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d) H
Explanation
Answer: (a)
Q.3
Anhydrous stanus chloride can be prepared by
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a) Passing Cl2 over fused tin
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b) Heating stannous chloride dihydrate
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c) Reducing stannic chloride with mercury
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d) Heating tin in a current of HCl vapour
Explanation
Answer: (d)
Q.4
Pb and and Sn are extracted for there chief ores by [ IIT 2004 screening]
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a) Carbon reduction and self reduction respectively
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b) self reduction and carbon reduction respectively
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c) electrolysis and self reduction respectively
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d) self reduction and electrolysis respectively
Explanation
Tin can be extracted by carbon reduction method while lead can be extracted by self and carbon extraction method SnO2 + C → Sn + CO2 PbO + 2PbS → 3PbO + SO2 Answer:(b)
Q.5
C(OH)4 is unstable here as Si(OH)4 is stable because
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a) Si - O bond energy is high than C - O
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b) C - O bond energy is high than Si - O
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c) C don't have lone pair electrons
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d) Si have lone pair electrons
Explanation
Answer: (a)
Q.6
Which of the following is covalent carbide
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a) SiC
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b)Ca2C
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c) Al4C3
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d) noe of the baove
Explanation
Answer: (a)
Q.7
Which of the following is called sesquioxide
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a) PbO
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b) PbO2
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c) Pb3O4
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d) Pb2O3
Explanation
sesquioxide : an oxide in which oxygen is present in the ratio of three atoms to two of another element. Answer: (d)
Q.8
SnO2 used in preparation of
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a) Cutting tools
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b) To increase electrical conductivity
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c) To polish surface
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d) to prepare glass vessel
Explanation
Answer:(d)
Q.9
Lead dioxide is obtained when
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a) Lead is heated in air
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b) Lead lead is treated with nitric acid
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c) Lead Chloride is treated with KOH
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d) Read lead treated with H2SO4
Explanation
Answer: (b)
0 h : 0 m : 1 s
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