EASY
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Chlorine reacts with ethene to form

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Important Questions on Carbon and its Compounds

MEDIUM
Name the reaction that is commonly used in the conversion of vegetable oils to fat.
MEDIUM
A mixture of oxygen ethyne is burnt for welding. Explain why a mixture of ethyne is not used?
MEDIUM

Explain substitution reaction with one example.

EASY

Organic compounds are obtained through different chemical reactions.

What is the difference between substitution reactions and addition reactions?

EASY

Elimination of hydrogen bromide from 2-bromobutane results in the formation of

EASY

Organic compounds are obtained through different chemical reactions.

Complete the following reaction:

CH3CH3 + Cl2  _____ + HCl

HARD
What is substitution reaction? Explain with example. 
EASY

Observe the correlation in the first pair and complete the second pair.

Saturated hydrocarbons : Substitution reactions : : Unsaturated hydrocarbons : _____.

EASY
Which one of the following is used as the antiknock compound?
EASY
On oxidation with alkaline KMnO4 followed by acidification of the reaction mixture, which one of the following alcohols would produce an acid having three structural isomers?
EASY

Organic compounds are obtained through different chemical reactions.

Complete the following reaction:

CH3CH=CHCH3 + HI

EASY
Write down the unit of calorific value of fuel.
MEDIUM
When ethene is burnt in presence of air, it burns with a sooty flame. What is the name of this soot?
EASY

Name the following:

The residue is left behind when the wood is burnt in a limited supply of air.

EASY

Two organic reactions are given below:

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(a) Identify the products A and B.

(b) Which type of reaction is (i)?

(c) The product B has industrial values. Give its name and use.

MEDIUM
A housewife notices that the cooking vessels she uses are getting blackened. What she can do to prevent this from happening?
MEDIUM

Incomplete combustion of coal and petroleum:

(A) increases air pollution.

(B) increases efficiency of machines.

(C) reduces global warming.

(D) produce poisonous gases.

The correct option is:

EASY

Propyne and propane can be distinguished by 

EASY
Which of the following molecule can undergo addition reaction?