Organic Chemistry

10th Class Chemistry Chapter 11 Solved Exercise Short Questions

Q 1 ​: What is meant by the term catenation ? Give an example of a compound that displays catenation .

Q 2 : How is coal formed ?

Formation of Coal : ​

•  Coal is formed by the decomposition of dead plants buried under the Earth’s crust millions of year ago .​
• Conversion of wood into coal is called carbonization .

Q 3 : What is the importance of natural gas ?

Q 4 : Justify that organic compounds are used as food .

Q 5 : How are alkyl radicals formed ? Explain with examples .

 

Q 6 : What is the difference between n-propyl and iso-propyl radicals ? Explain with structure . 

 

Q 7 : Explain different radicals of butane .

Radicals of Butane :​

 

Q 8 : Define functional group with an example . 

Q 9 : What is an ester group ? Write down the formula of ethyl acetate .

Ester Group :

” Organic compounds consisting of RCOOR’ functional group are called Esters . ” 

General Formula of Esters :

 

Formula of Ethyl Acetate : ​

( CH3COOC2H5 ) 

 

 

Q 10 : Write down the dot and cross formulae of propane and n-butane .

 

Q 11 : Define structural formula . Draw the structural formulae of n-butane and iso-butane . 

Structural Formula :

​

 

 

Q 12 : Write classification of coal .

Classification of Coal :

Q 13 : What are heterocyclic compounds. Give two examples . 

Heterocyclic Compounds :

 

Q 14 : Why benzene and other homologous compounds of benzene are called aromatic compounds ? 

 

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10th Class Chemistry Chapter 10 Solved Exercise Short Questions

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