An alkene ‘A’ contains three C-C eight C-H bonds, one C - C $straight pi$ bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 amu. Write the IUPAC name of ‘A’.

Solution

(i) An aldehyde having molar mass 44 amu is ethanal (CH₃CHO).
(ii) Write two moles of ethanal side by side with their oxygen atoms facing towards each other.

(iii) Remove the oxygen atoms and join the two ends by a double bond.

But-2-ene has three C-C, eight C-H and $straight C minus straight C minus straight pi$

Some More Questions From Hydrocarbons Chapter

Alkanes are less reactive. Why?

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Hydrocarbons

An alkene ‘A’ contains three C-C eight C-H bonds, one C - C $straight pi$ bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 amu. Write the IUPAC name of ‘A’.

Some More Questions From Hydrocarbons Chapter

Alkanes are less reactive. Why?

Out of n-pentane, isopentane and neopentane which has lower boiling point?

During the pyrolysis of alkanes C-C bonds break in preference to C-H bond. Why?

Define cracking.

What is the function of iodic acid in the iodination of alkanes? Can we use any other substance in its place?

What is alternation effect?

Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.

Why is light or heat necessary to initiate chlorination reaction of alkanes?

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Hydrocarbons

An alkene ‘A’ contains three C-C eight C-H bonds, one C - C bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 amu. Write the IUPAC name of ‘A’.

Some More Questions From Hydrocarbons Chapter

Alkanes are less reactive. Why?

Out of n-pentane, isopentane and neopentane which has lower boiling point?

During the pyrolysis of alkanes C-C bonds break in preference to C-H bond. Why?

Define cracking.

What is the function of iodic acid in the iodination of alkanes? Can we use any other substance in its place?

What is alternation effect?

Arrange the following compounds in order of their increasing boiling points:n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.

Why is light or heat necessary to initiate chlorination reaction of alkanes?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

An alkene ‘A’ contains three C-C eight C-H bonds, one C - C $straight pi$ bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 amu. Write the IUPAC name of ‘A’.

Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.