Chemistry
Fill in the blanks with the correct words from the brackets:
(a) Alkenes are the (i) …………… (analogous/homologous) series of (ii) …………… (saturated/unsaturated) hydrocarbons. They differ from alkanes due to the presence of (iii) …………… (double/single) bonds. Alkenes mainly undergo (iv) …………… (addition/substitution) reactions.
(b) The organic compound which undergoes substitution reaction is (v) …………… (C2H2, C2H4, C10H18, C2H6)
(c) Draw the structural formulae of the two isomers of Butane. Give the correct IUPAC name of each isomer.
Organic Chemistry
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Answer
(a) Alkenes are the (i) homologous series of (ii) unsaturated hydrocarbons. They differ from alkanes due to the presence of (iii) double bonds. Alkenes mainly undergo (iv) addition reactions.
(b) The organic compound which undergoes substitution reaction is (v) C2H6.
(c) The correct IUPAC names of isomers of Butane are Butane and 2-Methyl propane. Their structural formulae are given below:
- Butane [n-butane]
- 2-Methyl propane [iso-butane]
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Related Questions
Give the correct IUPAC name and the functional group for each of the compounds whose structural formulae are given below:
Copy and complete the following table which relates to three homologous series of hydrocarbons:
General Formula CnH2n CnH2n-2 CnH2n+2 IUPAC name of the homologous series Characteristic bond type Single bonds IUPAC name of the first member of the series Type of reaction with chlorine Addition Name:
(a) The saturated hydrocarbon containing two carbon atoms.
(b) An alcohol with three carbon atom.
(c) A triple bond hydrocarbon with two carbon atoms.
State the sources of alkanes.