EASY
10th Maharashtra Board
IMPORTANT
Earn 100

The molecular formula ethyne is C2H2. From this draw its structural formula and electron-dot structure.

Important Questions on Carbon Compounds

EASY
10th Maharashtra Board
IMPORTANT
How many bonds have to be there in between the two carbon atoms in ethyne so as to satisfy their tetravalency?
MEDIUM
10th Maharashtra Board
IMPORTANT
Draw the electron-dot structure of cyclohexane.
EASY
10th Maharashtra Board
IMPORTANT

Fill in the gaps in the table of homologous series.

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EASY
10th Maharashtra Board
IMPORTANT

Fill in the gaps in the table of homologous series.

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EASY
10th Maharashtra Board
IMPORTANT
By how many -CH2- (methylene) units do the formulae of the first two members of homologous series of alkanes, methane (CH4) and ethane C2H6 differ? Similarly, by how many -CH2- units do the neighbouring members ethane (C2H6) and propane (C3H8) differ from each other?
EASY
10th Maharashtra Board
IMPORTANT

The table given below shows the homologous series of alkenes. Inspect the molecular formulae of the members of this series. Do you find any relationship, in the number of carbon atoms and the number of hydrogen atoms in the molecular formulae?

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EASY
10th Maharashtra Board
IMPORTANT
If the number of carbon atoms in the molecular formulae of alkenes is denoted by ‘n’, what will be the number of hydrogen atoms?
EASY
10th Maharashtra Board
IMPORTANT

What would be the general formula for the molecular formulae of the members of the homologous series of alkanes? What would be the value of ‘n’ for the first member of this series?