Haloalkanes and Haloarenes

Arrange the compounds of each set in order of reactivity towards S_N2 displacement:

What are ambident nucleophiles? Explain with an example.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields (i) A single monochloride. (ii) Three isomeric monochlorides. (iii) Four isomeric monochlorides.

Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

Write the structures of the following organic halogen compounds.

Which one of the following has the highest dipole moment?

Which compound in each of the following pairs will react faster in S_N2 reaction with –OH?

Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:

How will you bring about the following conversions?

Give the uses of freon 12, DDT, carbon tetrachloride and iodoform.

Write the mechanism of the following reaction: nBuBr + KCN →(EtOH-H₂O) nBuCN

p-Dichlorobenzene has higher m.p. than those of o- and m-isomers. Discuss.

The treatment of alkyl chlorides with aqueous KOH leads to the formation of alcohols but in the presence of alcoholic KOH, alkenes are major products. Explain.

Write structures of different dihalogen derivatives of propane.

Arrange each set of compounds in order of increasing boiling points.

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_N2 mechanism? Explain your answer.

Give the IUPAC names of the following compounds:

A hydrocarbon C₅H₁₀ does not react with chlorine in dark but gives a single monochloro compound C₅H₉Cl in bright sunlight. Identify the hydrocarbon.

Write the isomers of the compound having formula C₄H₉Br.