Haloalkanes and Haloarenes

Class 12 · Chemistry · 26 Questions

6.2intermediate💡 Understand2 marksShort Answer

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

Write structures of different dihalogen derivatives of propane.

6.4intermediate🔍 Analyze3 marksShort Answer

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.

6.6beginner💡 Understand2 marksShort Answer

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

6.7intermediate🔍 Analyze3 marksShort Answer

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

6.1intermediate💡 Understand5 marksLong Answer

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

6.2beginner🧠 Remember2 marksShort Answer

Give the IUPAC names of the following compounds:

6.3beginner🔧 Apply2 marksShort Answer

Write the structures of the following organic halogen compounds.

6.4intermediate🔧 Apply1 markVery Short

Which one of the following has the highest dipole moment?

6.5intermediate🔍 Analyze2 marksShort Answer

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

6.6intermediate🔧 Apply2 marksShort Answer

Write the isomers of the compound having formula C₄H₉Br.

6.7beginner🔧 Apply3 marksShort Answer

Write the equations for the preparation of 1-iodobutane from

6.8beginner💡 Understand2 marksShort Answer

What are ambident nucleophiles? Explain with an example.

6.9intermediate🔍 Analyze2 marksShort Answer

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

6.10intermediate🔧 Apply3 marksShort Answer

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

6.11advanced🔧 Apply5 marksLong Answer

How will you bring about the following conversions?

6.13beginner🧠 Remember2 marksShort Answer

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

6.14intermediate🔧 Apply4 marksShort Answer

Write the structure of the major organic product in each of the following reactions:

6.15intermediate💡 Understand3 marksLong Answer

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

6.16intermediate🔍 Analyze3 marksShort Answer

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

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