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WorksheetsCarbon Compound
Total questions: 15
Worksheet time: 9mins
Which of the following is an organic compound?
Calcium Carbonate
Chloroform
Cyanides
Carbides
Which of the following is not true about hydrocarbons?
Contains only the carbon and hydrogen
Obtained from the fractional distillation of petroleum
Produces carbon dioxide and water when burned
All exists as gas because of low boiling point
What is the general formula for an alkane?
CnH2n+2
CnH2n
CnH2n+1OH
CnH2n+1COOH
CH4 + Br2 -> CH3Br + HBr
In this reaction, Methane undergoes
Oxidation
Reduction
Substitution
Addition
Butene can be transformed to butane by the process of
Fermentation
Oxidation
Dehydration
Hydrogenation
When but-2-ene is shaken with bromine water, the brown bromine water is decolourised. What is the product of this reaction?
1,2-dibromobutene
2,3-dibromobutene
1,2-dibromobutane
2,3-dibromobutane
When 20cm3 of a gaseous alkene burns in excess oxygen, 60cm3 of CO2 is formed. Both volumes of gases are measured at STP. What is the formula of the alkene?
C3H6
C3H8
C6H12
C6H14
What process takes place when alkene is converted to alcohol?
Hydration
Cracking
Oxidation
Hydrogenation
Which of the following substances can undergo a dehydration reaction?
Ethanol
Methane
Methanol
Ethanoic acid
Substance H (with yeast) -> Ethanol
Which of the following is substance H?
Rice
Cooking oil
Vinegar
Fish meat
The percentage of carbon in butane is
[Relative atomic mass: C:12 H:1 ]
81.82%
82.76%
83.33%
83.72%
X gram of pentane is burnt in excess oxygen, 8.8g of carbon dioxide is produced. What is the value of x?
[Relative atomic mass of H=1, C=12 and O=16]
1.76
2.88
5.76
8.80
Glucose solution and yeast were added into a conical flask with a stopper. What is the product obtained after a few days?
Ethanol and ethane
Ethanol and water
Carbon ad Ethanol
Carbon dioxide and Ethanol
When ethanol vapour is channeled through hot porous clay pieces, a certain gas is produced. Which of the following is not the characteristic of the gas produced?
Change red litmus paper to blue
Decolourise bromine water
Decolourise acidified potassium manganate (VII) solution
Produces carbon dioxide gas and water when burnt
Which of the following reactions will produce carbon dioxide?
I Fermentation
II Combustion of alcohol
III The reaction between carboxylic acid with sodium carbonate
IV The reaction between alcohol and carboxylic acid
I and III
II and IV
i, II and III
I, II, III and IV
