Question 18 of 26intermediate🔧 ApplyShort Answer4 marks

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

(i)

CH₃CH₂CH₂Cl + NaI →(acetone) heat

Answer

CH₃CH₂CH₂I (1-Iodopropane)

(ii)

(CH₃)₃CBr + KOH →(ethanol) heat

Answer

(CH₃)₂C=CH₂ (2-Methylpropene)

(iii)

CH₃CH(Br)CH₂CH₃ + NaOH →(water)

Answer

CH₃CH(OH)CH₂CH₃ (Butan-2-ol)

(iv)

CH₃CH₂Br + KCN →(aq. ethanol)

Answer

CH₃CH₂CN (Propanenitrile)

(v)

C₆H₅ONa + C₂H₅Cl

Answer

C₆H₅OC₂H₅ (Ethoxybenzene/Phenetole)

(vi)

CH₃CH₂CH₂OH + SOCl₂

Answer

CH₃CH₂CH₂Cl (1-Chloropropane)

(vii)

CH₃CH₂CH=CH₂ + HBr →(peroxide)

Answer

CH₃CH₂CH₂CH₂Br (1-Bromobutane)

(viii)

CH₃CH=C(CH₃)₂ + HBr

Answer

CH₃CH₂CBr(CH₃)₂ (2-Bromo-2-methylbutane)

Explanation

This question tests nucleophilic substitution and elimination reactions of alkyl halides, along with addition reactions of alkenes. Each sub-part requires identifying the reaction type (SN1, SN2, E1, E2, or electrophilic addition) based on substrate structure, reagent, and solvent conditions.

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