Q30 of 38 Page 100

Explain the given reactions with the examples:

Hydrogenation reaction

The hydrogenation reaction is the reaction in which an unsaturated carbon compound is converted into a saturated compound by the addition of hydrogen in the presence of a catalyst like nickel. The added hydrogen converts double/triple bonds present in the compound into single bonds.


The hydrogenation reaction is represented by:



More from this chapter

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28

What are hydrocarbons? Distinguish alkanes from alkenes and each of them from alkynes, giving one example of each. Draw the structure of each compound cited as an example to justify your answer.

 29

An organic compound ‘A’ on heating with another compound ‘B’ in presence of concentrated sulphuric acid forms a sweet smelling compound ‘C’:

i. Identify the name of this chemical reaction.


ii. Write a balanced chemical equation for the above chemical reaction.


iii. Write one use of compound ‘C’.


iv. Write a balanced chemical equation for the reaction when an acid or a base is added to compound ‘C’.

 30

Explain the given reactions with the examples:

Oxidation reaction

 30

Explain the given reactions with the examples:

Substitution reaction