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Chemistry — Carbon And Its Compounds

50 Questions Class 10 MCQs
1
Which property allows carbon to form long chains and rings?
2
The valency of carbon is:
3
Covalent bonds are formed by:
4
The general formula of alkanes is:
5
Ethyne belongs to which homologous series?
6
The functional group –OH represents:
7
Which compound belongs to the alcohol group?
8
The formula for ethanoic acid is:
9
The reaction of alcohol with acid to form an ester is called:
10
Soaps form scum in:
11
The ability of carbon to form four bonds is known as:
12
The simplest alkene is:
13
Methane has how many covalent bonds?
14
A homologous series differs by:
15
Which one is a saturated hydrocarbon?
16
IUPAC name of \(\ce{CH3–CH2–CH3}\) is:
17
Which is an oxidising agent?
18
Which structure is spherical?
19
Why is graphite a conductor?
20
The product of saponification is:
21
Name the reaction: \(\ce{CH2=CH2 + H2 \rightarrow CH3–CH3}\)
22
Ethanol reacts with sodium to form:
23
Micelle formation is characteristic of:
24
Carboxylic group is:
25
What type of flame is observed during incomplete combustion?
26
Which is a covalent compound?
27
The IUPAC name of \(\ce{CH3–CH2–OH}\) is:
28
Which compound is used to test unsaturation?
29
Which property is shown by diamond?
30
Which is used as a fuel?
31
The IUPAC name of \(\ce{CH3–CHO}\) is:
32
A compound with same molecular formula but different structure is called:
33
The first member of the alkane series is:
34
Which of the following forms scum?
35
The general formula of alkynes is:
36
Which compound has a pleasant fruity smell?
37
The molecular formula of benzene is:
38
Which hydrocarbon undergoes addition reaction?
39
Which compound is used in cold drinks and vinegar?
40
The common name of ethanoic acid is:
41
Which of the following is a ketone?
42
Which is a monohydric alcohol?
43
The primary product of complete combustion of carbon is:
44
The common name of Methanal is:
45
Which of these is NOT a carbon allotrope?
46
Why are covalent compounds generally insoluble in water?
47
Which metal reacts with ethanol?
48
The number of covalent bonds in ethene is:
49
Which of these is a substitution reaction?
50
Which of the following is used as an antiseptic?

Frequently Asked Questions

Carbon is a non-metal with atomic number 6, known for forming a huge variety of compounds due to its tetravalency and catenation ability.

The ability of carbon to form four covalent bonds because it has four electrons in its outermost shell (configuration: 2,4).

Catenation is the property of carbon to form long chains and rings by bonding with other carbon atoms.

Carbon achieves a stable configuration by sharing electrons instead of losing/gaining four electrons, thus forming covalent bonds.

A covalent bond is a bond formed when two atoms share electron pairs.

Compounds containing hydrogen and carbon only, such as methane, ethane, ethene, and ethyne.

Hydrocarbons with single covalent bonds (alkanes), general formula: \(C_nH_{2n+2}\).

Hydrocarbons with double or triple bonds (alkenes & alkynes), formulas: alkenes \(\Rightarrow C_nH_{2n}, alkynes \(Rightarrow C_nH_{2n-2}.

\(C_nH_{2n+2} (e.g., methane \(\ce{CH4}\), ethane \(\ce{C2H6}\)).

\(C_nH_{2n}\) (e.g., ethene \(\ce{C2H4\)).

\(C_nH_{2n-2} (e.g., ethyne \(\ce{C2H2\)).

Atoms or groups that determine the characteristic properties of organic compounds, e.g., –OH (alcohol), –COOH (acid).

Alcohol (–OH), Aldehyde (–CHO), Carboxylic acid (–COOH), Ketone (>C=O), Halogens (–X).

A series of compounds with the same functional group and general formula, differing by \(\ce{–CH2}\)– unit.

Compounds having the same molecular formula but different structural arrangement.

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