EASY
Earn 100

The chemical formula of hexane is .

A: C6H6

B: C2H2

C: C6H14

D: C3H8

Answer as A, B, C or D.

50% studentsanswered this correctly

Important Questions on Organic Chemistry

MEDIUM
Write the names, molecular formula and structural formula of first four hydrocarbons.
HARD

Complete the following table:

Straight chain of Carbon compounds Structural formula Molecular formula Name
C Question Image CH4 Methane
C-C _____ _____ Ethane
C-C-C _____ C3H8 _____
C-C-C-C Question Image _____ _____
EASY
The number of covalent bonds in PentaneC5H12 is
EASY
What is the value of H-C-H bond angle in methane?
EASY

Draw the structure of the compound of carbon given below.

Chloropropane.

MEDIUM

Draw the structures of the following.

(i) Hexanal

(ii) Propanone

MEDIUM
How many structural isomers can you draw for pentane?
MEDIUM
Give one example of a hydrocarbon, other than pentane, having more than three isomers.
MEDIUM
How many structural isomers can you draw of pentane?
MEDIUM
Draw the electron dot structure of ethane, ethanol and ethanal.
HARD
Write the structural formulae and IUPAC names of the isomers represented by C5H12.
MEDIUM
How many isomers of the following hydrocarbon are possible?
C3H8
MEDIUM
Draw a three-dimensional structure of methane molecule. Give the structural formula of the next two higher homologues of methane.
EASY
In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formula.
MEDIUM
Write down the structures and names of two isomers of butane C4H10.
HARD
How many isomers of the following hydrocarbons are possible?
C5H12
HARD
The number of covalent bonds in pentane (molecular formula C5H12) is:
EASY
The hydrocarbon 2-methylbutane is an isomer of:
HARD
How many isomers of the following hydrocarbons are possible?
C6H14