Butanone is a four-carbon compound with the functional group 

Buckminsterfullerene is an allotropic form of

In the soap micelles

The name of the compound CH₃ - CH₂ - CHO is

Structural formula of ethyne is

Name the carbon compound which on heating with excess of concentrated sulphuric acid at 443 K gives ethene.

Draw the structure of the hexanal molecule, C₅ H₁₁CHO.

Write the name and formula of the first member of the carbon compounds having functional group -COOH.

Write the name and formula of the 2nd member of the series of carbon compounds whose general formula is C_nH_2n.

Write the name and formula of the 2nd member of homologous series having general formula C_nH_2n .

Write the name and formula of the 2nd member of homologous series having general formula C_nH_2n+2

Name the following compounds
(i) \(CH_{ 3 }-CH_{ 2 }-OH\)
(ii) \(CH_{ 3 }-C=O\)

Write the number of covalent bonds in the molecules of butane C₄H₁₀

Name the functional group present in CH₃COCH₃ and state the name of this compound

Given below are the formulae of some functional groups

What is a homologous series? Explain with an example.

An organic compound 'X' is a constituent of wine and beer. The compound X on heating with potassium dichromate forms another organic compound 'Y'. Identify the compound X and Y.

Intake of small quantity of methanol can be lethal. Comment.

Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reactions. Give the test to distinguish ethane from ethene.

Give reasons for the following observations:
(a) The element carbon forms a very large number of compounds.
(b) Air holes of a gas burner have to be adjusted when the heated vessels get blackened by the flame.
(c) Use of synthetic detergents causes pollution of water.

With the help of balance chemical equations explain what happens when ethanol is heated with (i) alkaline solution of potassium permanganate, (ii) excess concentrated sulphuric acid at 443 K. Mention any two uses of ethanol.

Write a chemical equation in each case to represent the following types of chemical reactions of organic compounds:
(i) Organic reactions
(ii) Addition reactions
(iii) Substitution reactions

Name the oxidizing agent used for the conversion of ethanol to ethanoic acid. Distinguish between ethanol and ethanoic on the basis of (i) litmus test. (ii) reaction with sodium hydrogen carbonate.

Write the name and the structural formula of the compound formed when ethanol is heated at 443 K with excess of conc. H₂SO₄ . State the role of conc. H₂SO₄ in this reaction. Write chemical equation for this reaction.

Differentiate between addition reactions and substitution reactions shown by hydrocarbons.

a) What are hydrocarbons? Give examples
b) Give the structural differences between saturated and unsaturated hydrocarbons with two example each.
c) What is a functional group? Give example of four different functional groups.

Explain isomerism. State any four characteristics of isomers. Draw the structures of possible isomers of butane, C₄H₁₀

Explain why carbon forms compounds mainly by covalent bond. Explain in brief two main reasons for carbon forming a large number of compounds. Why does carbon form strong bonds with most other elements?