Author: Study Clue

In SN1 solvolysis, fastest substrate among these is A tert-Butyl bromide B Neopentyl bromide C Ethyl chloride D Vinyl bromide

In IUPAC naming, “2-bromo-3-chlorobutane” indicates A Four carbon chain B Two carbon chain C Aromatic compound D Two halogens same

In IUPAC naming, bromo and chloro groups are written in A Increasing atomic mass B Alphabetical order C Random order

In IUPAC naming, numbering of haloalkanes is done to give A Lowest halogen count B Longest chain C Lowest locant

Haloalkanes are organic compounds containing which bond A C–C bond B C–H bond C C–X bond D C–O bond Explanation

In nitration of chlorobenzene, why is the reaction slower than benzene but still gives o/p products? A +I speeds, −M

For bromination of benzene, why is FeBr₃ needed along with Br₂ under normal conditions? A Supplies base ions B Oxidizes

During EAS on benzene, why is the σ-complex formation step slowest? A Electrophile becomes weak B Aromaticity is lost C

In EAS, which step restores aromaticity after electrophile attack on benzene? A Nucleophile addition B Proton loss step C Halide

Why does benzene prefer substitution over addition reactions? A It forms carbocations easily B It has weak π bonds C