The molecular size depends upon size of the halogen atom and also upon the number of halogen atoms present in different molecules. In the present case, all the compounds contain only one carbon atom. (i) The boiling points of organic compounds are linked with the van der Waals’ forces of attraction which depend upon the molecular size. (ii) 1- Chloropropane, isopropylchloride, 1- chlorobutane. (i) Bromomethane, bromoform, chloromethane, dibromomethane Arrange each set of compounds in order of increasing boiling points : Draw the structures of major monohalo products in each of the following reactions:ġ0.6. Among the isomeric alkanes of mdlecular formula C 5H 12, identify the one that on photochemical chlorination yieldsġ0.5. Write structures of different dihalogen derivatives of propane.Īns: Four isomers are possible. To solve the problem, H2S04 is replaced by phosphoric acid (H3P04) which provides HI for the reaction and does not give I2 as is done by H2S04.ġ0.3. However, H 2SO 4 is a strong oxidising agent and it oxidises HI formed during the reaction to I 2 which does not react with alcohol. Why is sulphuric acid not used during the reaction of alcohols with KI?Īns: KI is expected to give HI on reacting with H 2SO 4 which will convert alcohols (R – OH) to alkyl iodides (R – I). NCERT Solutions CBSE Sample Papers Chemistry Class 12 Chemistryġ0.1 Write structures of the following compounds: Topics and Subtopics in NCERT Solutions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes : Section Name NCERT Solutions For Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes
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