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📢 Today's Quiz Topic
Carbon and its Compounds
⏰ The quiz will start in 10 seconds! Get ready! 🧠
Carbon and its Compounds
⏰ The quiz will start in 10 seconds! Get ready! 🧠
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The functional group present in propanol is:
Anonymous Quiz
12%
-CHO (Aldehyde)
15%
>C=O (Ketone)
21%
-COOH (Carboxylic acid)
52%
-OH (Alcohol)
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The reaction between an alcohol and a carboxylic acid in the presence of an acid catalyst is called:
Anonymous Quiz
15%
Saponification
28%
Hydrogenation
47%
Esterification
10%
Dehydration
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Which of the following statements is NOT true for a homologous series?
Anonymous Quiz
20%
All members have the same general formula.
31%
Successive members differ by a -CH2 group.
31%
They have identical physical properties.
17%
They show similar chemical properties.
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When a saturated hydrocarbon is burned in an excess supply of air, what are the main products formed?
Anonymous Quiz
19%
Carbon monoxide and water
48%
Carbon dioxide and water
11%
Carbon and water
22%
Carbon dioxide and hydrogen
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Which of the following hydrocarbons is an alkyne?
Anonymous Quiz
16%
C2H6
25%
C3H6
44%
C4H6
14%
C5H12
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Which of the following compounds contains a ketone functional group?
Anonymous Quiz
10%
CH3CH2OH
31%
CH3COOH
20%
CH3CHO
39%
CH3COCH2CH3
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Why are detergents more effective cleansing agents than soaps in hard water?
Anonymous Quiz
47%
Detergents form soluble salts with calcium and magnesium ions.
28%
Soaps form soluble salts with calcium and magnesium ions.
17%
Detergents are natural products, while soaps are synthetic.
8%
Soaps are stronger acids than detergents.
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Which allotrope of carbon is known for its hardness and is a poor conductor of electricity?
Anonymous Quiz
13%
Graphite
74%
Diamond
11%
Fullerene (C-60)
1%
Graphene
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What is the IUPAC name for the compound CH3COCH3?
Anonymous Quiz
11%
Propanal
51%
Propanone
33%
Ethanoic acid
5%
Propanol
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The process of making soap by hydrolyzing fats or oils with an alkali is known as:
Anonymous Quiz
15%
Esterification
23%
Neutralization
57%
Saponification
5%
Polymerization
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Methane reacts with chlorine in the presence of sunlight. This reaction is an example of:
Anonymous Quiz
19%
Addition reaction
48%
Substitution reaction
28%
Oxidation reaction
6%
Elimination reaction
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Why is graphite a good conductor of electricity, unlike other non-metals?
Anonymous Quiz
15%
It has a rigid three-dimensional structure.
24%
It has strong ionic bonds.
51%
It has free, delocalized electrons between its layers.
10%
It is very soft and slippery.
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Why does carbon form covalent bonds rather than ionic bonds?
Anonymous Quiz
9%
It can easily lose 4 electrons to form a C4+ cation.
16%
It can easily gain 4 electrons to form a C4- anion.
71%
Losing or gaining 4 electrons requires a large amount of energy, so it shares electrons.
3%
It has a very low electronegativity.
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A 5-8% solution of ethanoic acid in water is commonly known as:
Anonymous Quiz
18%
Tincture of iodine
16%
Formalin
59%
Vinegar
7%
Rectified spirit
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The ability of carbon to form long chains with itself is called:
Anonymous Quiz
19%
Tetravalency
58%
Catenation
14%
Isomerism
8%
Polymerization
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An addition reaction is a characteristic property of:
Anonymous Quiz
20%
Alkanes
65%
Unsaturated hydrocarbons
9%
Alcohols
5%
Carboxylic acids
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To satisfy the valency of all atoms, a molecule of ethene (C2H4) must contain:
Anonymous Quiz
17%
Only carbon-carbon single bonds.
65%
One carbon-carbon double bond.
8%
One carbon-carbon triple bond.
10%
A cyclic structure of carbon atoms.
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The cleansing action of soap is due to the formation of structures called:
Anonymous Quiz
52%
Micelles
18%
Esters
16%
Salts
13%
Precipitates
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