Which of the following hydrocarbons is unsaturated?C3H4 ; C2H6
The general formula of unsaturated hydrocarbons is CnH2n-2. Hence, the compound having a double bond is C3H4.
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- Unsaturated Hydrocarbons
- Which of the following hydrocarbons undergo addition reactions :C2H6, C3H8, C3H6, C2H2, and CH4
- Which of the following will give addition reaction and why?C4H10, C2H6, C2H4, CH4, C3H8, C3H4
- The unsaturated hydrocarbons which contain one or more double bonds are called ____________.
- Mention two differences between saturated and unsaturated hydrocarbons.
- You are given the following molecular formulae of some hydrocarbons:C5H8 ; C7H14 ; C6H6 ; C5H10 ; C7H12 ; C6H12 (a) Which formula represents cyclohexane as well as hexane? (b) Which formula represents benzene? (c) Which three formulae represent open chain unsaturated hydrocarbons having double bonds? (d) Which two formulae represent unsaturated hydrocarbons having triple bonds? (e) Which three formulae can represent cyclic hydrocarbons?
- Which of the following can have a triple bond?C2H4 ; C3H4 ; C3H6
- Which of the following hydrocarbons can decolourise bromine water and which cannot? Why?C6H12, C6H14, C6H10
- (a) What is homologous series? Explain with an example.(b) State two characteristics of a homologous series. (c) The molecular formula of an organic compound is C18H36. Name its homologous series. (d) Select the hydrocarbons which belong to the same homologous series. Give the name of each series. CH4, C2H2 ,C3H4 ,C2H6 ,C4H10, C3H4, C3H6 . (e) What is meant by 'heteroatom'? Give examples. Write the names and formulae of two organic compounds containing different heteroatoms.
- (a) What are hydrocarbons? Give examples.(b) Give the structural differences between saturated and unsaturated hydrocarbons with two examples each.(c) What is a functional group? Give examples of four different functional groups.
- (a) What is the general formula of alkenes? Identify the alkenes from the following: С2ÐÂ6, С2ÐÂ4, C3H4, C2H2, C3H6 (b) Which of the following can give addition reactions? С2ÐÂ6, C3H4, C3H6, C2H2, CH4 Give reason for your choice.
- (a) What are hydrocarbons? Explain with examples.(b) Explain the meaning of saturated and unsaturated hydrocarbons with two examples each. (c) Give the names and structural formulae of one saturated cyclic hydrocarbon and one unsaturated cyclic hydrocarbon. (d) Give one example of a hydrocarbon, other than pentane, having more than three isomers. (e) How many isomers of the following hydrocarbons are possible? (i) C3H8 (ii) C4H10 (iii) C5H12 (iv) C6H14
- Which of the following hydrocarbons will give substitution reactions and why?CH4, C3H6, C3H8, C4H6, C5H12, C5H10
- Which of the following contains less solute at a given temperature and pressure ?Unsaturated solution or Saturated solution.
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