Related InterviewSolutions

• Which alkyl halide from the following would you expect to react more rapidly by `S_(N)2` mechanism ?A. `CH_(3)underset(CH_(3))underset(|)CHCH_(2)CH_(2)Br`B. `CH_(3)CH_(2)underset(CH_(3))underset(|)CHCH_(2)Br`C. `CH_(3)CH_(2)overset(CH_(3))overset(|)underset(CH_(3))underset(|)C CH_(2)Br`D. `CH_(3)CH_(2)underset(CH_(3))underset(|)CHBr`
• The treatment of `CH_(3)MgX` with `CH_(3)-C-=C-H` producesA. `CH_(3)-CH=CH_(2)`B. `CH_(3)C-=C-CH_(2)`C. `CH_(3)-overset(H)overset(|)C=overset(H)overset(|)C-CH_(2)`D. `CH_(4)`
• Consider the following reaction, `(CH_(3))_(3)C-Cl+OHrarr(CH_(3))_(3)C-OH+Cl^(-)` The true statement about the above process isA. the rate becomes four times of the halide becomes twiceB. the rate does not change by reducing `[OH^(-)]` to halfC. the rate does not change by doubling [halide]D. the rate becomes twice on doubling the `[OH^(-)]`
• In alkaline hydrolysis of a tertiary halide by aqueous alkali, if concentration of alkali is doubled, then the reaction rateA. will be boubledB. will be halvedC. will remain constantD. Cannot say anything
• `20%` aqueous solution of sodium, chloride containing ethy alcohol or electrolyasis givesA. `C_(2)H_(5)Cl`B. `CH_(3)CHO`C. `CHCl_(3)`D. `C Cl_(3)CHO`
• Which of the following reactions come within the framework of elimination?A. `(CH_(3))_(2)CHCl+SH^(o+)`B. `(CH_(3)_(3)C-Br+"ethanolic KCN"`C. `CH_(3)CH_(2)CH_(2)Cl+l^(-)`D. `(CH_(3))_(2)CHBr+aq.KOH`
• Which does not give methyl bromide?A. `CH_(3)OH+HBr`B. `CH_(3)OH+Br_(2)`C. `CH_(3)OH+PBr_(3)`D. `CH_(3)COOAg+Br_(2)`
• Choose the incorrect statement.A. An `S_(N)1` reaction proceeds with inversion of configurationB. An `S_(N)2` reaction proceeds with stereochemical inversionC. An `S_(N)2` reaction follows second order kineticsD. The reaction of tert-butyl bromide with `OH^(-)` follows first order kinetics