1.
The main cause of enormous number of organic compounds is
2.
Branched chain compounds are generally
3.
Which carbon atom has no hydrogen attached?
4.
Isomerism is defined as
5.
Carbon prefers covalent bonding because
6.
The bond angle in sp² hybridised carbon is
7.
Carbon forms stable covalent bonds because its electronegativity is
8.
Which factor mainly explains the stability of C–C bonds?
9.
Which statement is correct about carbon–carbon bonds?
10.
Carbon can form single, double and triple bonds due to
11.
Which feature leads to formation of rings in organic compounds?
12.
Which carbon atom is attached to three other carbons?
13.
Which compound will show maximum catenation?
14.
Maximum number of bonds formed by carbon is
15.
Which hybridisation allows formation of triple bond?
16.
Which carbon hybridisation leads to linear geometry?
17.
Carbon shows covalent bonding mainly with
18.
Closed chain organic compounds are also called
19.
Which molecule contains only secondary carbons?
20.
Which bond is longest?
21.
Hybridisation of carbon in methane is
22.
Which compound has a tertiary carbon?
23.
The bond angle in tetrahedral carbon is
24.
Which compound contains only primary carbons?
25.
The phenomenon responsible for same molecular formula but different properties is
26.
Which bond is strongest among the following?
27.
Which compound shows both σ and π bonds?
28.
Which property mainly explains poor electrical conductivity of organic compounds?
29.
Maximum number of σ bonds present in C₂H₄ is
30.
Which property makes carbon versatile in bonding?
31.
Which structure represents an alicyclic compound?
32.
Which of the following is NOT a reason for diversity in organic compounds?
33.
Which bond involves head-on overlap?
34.
Which chain shows maximum stability?
35.
Which element forms strongest covalent bond with carbon?
36.
How many hydrogen atoms are attached to a quaternary carbon?
37.
Which compound shows geometrical isomerism?
38.
Correct order of catenation ability is
39.
A carbon atom attached to two other carbon atoms is called
40.
Which bond is formed by sideways overlap?
41.
Which compound contains both primary and secondary carbons?
42.
Which factor does NOT affect catenation?
43.
The main reason carbon shows maximum catenation is
44.
Which compound will have highest melting point?
45.
Which compound shows both open and closed chain?
