Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides: (I) (CH₃)₂CHCH(Cl)CH₃ (II) CH₃CH₂CH(CH₃)CH(C₂H₅)Cl (III) CH₃CH₂C(CH₃)₂CH₂I (IV) (CH₃)₃CCH₂CH(Br)C₆H₅ (V) CH₃CH(CH₃)CH(Br)CH₃ (VI) CH₃C(C₂H₅)₂CH₂Br (VII) CH₃C(Cl)(C₂H₅)CH₂CH₃ (VIII) CH₃CH=C(Cl)CH₂CH(CH₃)₂ (IX) CH₃CH=CHC(Br)(CH₃)₂ (X) p-ClC₆H₄CH₂CH(CH₃)₂ (XI) m-ClCH₂C₆H₄CH₂C(CH₃)₃ (XII) o-Br-C₆H₄CH(CH₃)CH₂CH₃

Give the IUPAC names of the following compounds: (I) CH₃CH(Cl)CH(Br)CH₃ (II) CHF₂CBrClF (III) ClCH₂C=CCH₂Br (IV) (CCl₃)₃CCl (V) CH₃C(p-ClC₆H₄)₂CH(Br)CH₃ (VI) (CH3)3CCH=CClC6H4I-p

Write the structures of the following organic halogen compounds. (I) 2-Chloro-3-methylpentane (II) p-Bromochlorobenzene (III) 1-Chloro-4-ethylcyclohexane (IV) 2-(2-Chlorophenyl)-1-iodooctane (V) Perfluorobenzene (VI) 4-tert-Butyl-3-iodoheptane (VII) 1-Bromo-4-sec-butyl-2-methylbenzene (VIII) 1,4-Dibromobut-2-ene

Which one of the following has the highest dipole moment? (I) CH₂Cl₂ (II) CHCl₃ (III) CCl4

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.

Write the equations for the preparation of 1-iodobutane from (I) 1-butanol (II) 1-chlorobutane (III) but-1-ene.

What are ambident nucleophiles? Explain with an example.

Which compound in each of the following pairs will react faster in S_N2 reaction with OH^-? (I) CH₃Br orCH₃I (II) (CH3)3CCl or CH3Cl

Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene: (I) 1-Bromo-1-methylcyclohexane (II) 2-Chloro-2-methylbutane (III) 2,2,3-Trimethyl-3-bromopentane.

How will you bring about the following conversions? (I) Ethanol tobut-1-yne (II) Ethane tobromoethene (III) Propene to1-nitropropane (IV) Toluene to benzylalcohol (V) Propene topropyne (VI) Ethanol to ethylfluoride (VII) Bromomethane to propanone (VIII) But-1-ene tobut-2-ene (IX) 1-Chlorobutane ton-octane (X) Benzene tobiphenyl.

Explain why (I) the dipole moment of chlorobenzene is lower than that of cyclohexylchloride? (II) alkyl halides, though polar, are immiscible withwater? (III) Grignard reagents should be prepared under anhydrousconditions?

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

Write the structure of the major organic product in each of the following reactions: (i) (ii) (iii) (iv) (I) (II) (III) (IV)

Write the mechanism of the following reaction:

Arrange the compounds of each set in order of reactivity towards S_N2 displacement: (I) 2-Bromo-2-methylbutane, 1-Bromopentane,2-Bromopentane (II) 1-Bromo-3-methylbutane, 2-Bromo-2-methylbutane, 3-Bromo-2-methylbutane (III) 1-Bromobutane,1-Bromo-2,2-dimethylpropane,1-Bromo-2-methylbutane,1- Bromo-3-methylbutane.

Out of C6H5CH2Cl and C6H5CHClC6H5, which is more easily hydrolysed by aqueous KOH?

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

How the following conversions can be carried out? (I) Propene topropan-1-ol (II) Ethanol tobut-1-yne (III) 1-Bromopropane to2-bromopropane (IV) Toluene to benzylalcohol (V) Benzene to4-bromonitrobenzene (VI) Benzyl alcohol to 2-phenylethanoicacid (VII) Ethanol topropanenitrile (VIII) Aniline tochlorobenzene (IX) 2-Chlorobutane to 3,4-dimethylhexane (X) 2-Methyl-1-propene to2-chloro-2-methylpropane (XI) Ethyl chloride to propanoicacid (XII) But-1-ene ton-butyliodide (XIII) 2-Chloropropane to1-propanol (XIV) Isopropyl alcohol toiodoform (XV) Chlorobenzene top-nitrophenol (XVI) 2-Bromopropane to 1-bromopropane (XVII) Chloroethane tobutane (XVIII) Benzene todiphenyl (XIX) tert-Butyl bromide to isobutylbromide (XX) Aniline to phenylisocyanide

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.

Primary alkyl halide C₄H₉Br (a) reacted with alcoholic KOH to give compound (b).Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C₈H₁₈ which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.

What happens when (I) n-butyl chloride is treated with alcoholicKOH, (II) bromobenzene is treated with Mg in the presence of dryether, (III) chlorobenzene is subjected tohydrolysis, (IV) ethyl chloride is treated with aqueousKOH, (V) methyl bromide is treated with sodium in the presence of dryether, (VI) methyl chloride is treated with KCN.

Write structures of the following compounds: (I) 2-Chloro-3-methylpentane (II) 1-Chloro-4-ethylcyclohexane (III) 4-tert.Butyl-3-iodoheptane (IV) 1,4-Dibromobut-2-ene (V) 1-Bromo-4-sec. butyl-2-methylbenzene

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

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields (I) A singlemonochloride. (II) Three isomericmonochlorides. (III) Four isomericmonochlorides.

Draw the structures of major monohalo products in each of the following reactions: (i) (ii) (iii) (I) (II) (III)

Arrange each set of compounds in order of increasing boiling points. (I) Bromomethane, Bromoform, Chloromethane,Dibromomethane. (II) 1-Chloropropane, Isopropyl chloride, 1-Chlorobutane.

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

In the following pairs of halogen compounds, which compound undergoes faster S_N1 reaction? (i) (ii)

Identify A, B, C, D, E, R and R¹ in the following: