00. Electronic effect and Its Applications
GENERAL ORGANIC CHEMISTRY

231362 The correct increasing order of basic strength for the following compound is -

1 II $<$ I $<$ III
2 II $<$ III $<$ I
3 III $<$ I $<$
4 III $<$ II $<$ I
GENERAL ORGANIC CHEMISTRY

231368 $\mathrm{Br}^{\bullet}$ will abstract which of the hydrogen most readily?

1 a
2 $b$
3 $\mathrm{c}$
4 $\mathrm{d}$
GENERAL ORGANIC CHEMISTRY

231370 The order of decreasing stability of the carbanions
\[\begin{align}
& {{\left( \text{C}{{\text{H}}_{3}} \right)}_{3}}{{\text{C}}^{-}}\,\,\,\,\,{{\left( \text{C}{{\text{H}}_{3}} \right)}_{2}}\text{C}{{\text{H}}^{-}} \\
& (I)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(II) \\
& \text{C}{{\text{H}}_{3}}\text{CH}_{2}^{-}\,\,\,\,\,\,\,\,\,\,{{\text{C}}_{6}}{{\text{H}}_{5}}\text{CH}_{2}^{-} \\
& (III)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(IV) \\
\end{align}\]

1 I $>$ II $>$ III $>$ IV
2 IV $>$ III $>$ II $>$ I
3 IV $>$ I $>$ II $>$ III
4 I $>$ II $>$ IV $>$ III
GENERAL ORGANIC CHEMISTRY

231372 The correct nucleophilicity order is

1 $\mathrm{CH}_{3}^{-}<\mathrm{NH}_{2}^{-}<\mathrm{HO}^{-}<\mathrm{F}^{-}$
2 $\mathrm{CH}_{3}^{-} \simeq \mathrm{NH}_{2}^{-}>\mathrm{HO}^{-} \simeq \mathrm{F}^{-}$
3 $\mathrm{CH}_{3}^{-}>\mathrm{NH}_{2}^{-}>\mathrm{HO}^{-}>\mathrm{F}^{-}$
4 $\mathrm{NH}_{2}^{-}>\mathrm{F}^{-}>\mathrm{HO}^{-}>\mathrm{CH}_{3}^{-}$
GENERAL ORGANIC CHEMISTRY

231374 Which of the following is strongest nucleophile

1 $\mathrm{Br}^{-}$
2 $: \mathrm{OH}^{-}$
3 $: \mathrm{CN}^{-}$
4 $\mathrm{C}_{2} \mathrm{H}_{5} \overline{\mathrm{O}}$ :
GENERAL ORGANIC CHEMISTRY

231362 The correct increasing order of basic strength for the following compound is -

1 II $<$ I $<$ III
2 II $<$ III $<$ I
3 III $<$ I $<$
4 III $<$ II $<$ I
GENERAL ORGANIC CHEMISTRY

231368 $\mathrm{Br}^{\bullet}$ will abstract which of the hydrogen most readily?

1 a
2 $b$
3 $\mathrm{c}$
4 $\mathrm{d}$
GENERAL ORGANIC CHEMISTRY

231370 The order of decreasing stability of the carbanions
\[\begin{align}
& {{\left( \text{C}{{\text{H}}_{3}} \right)}_{3}}{{\text{C}}^{-}}\,\,\,\,\,{{\left( \text{C}{{\text{H}}_{3}} \right)}_{2}}\text{C}{{\text{H}}^{-}} \\
& (I)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(II) \\
& \text{C}{{\text{H}}_{3}}\text{CH}_{2}^{-}\,\,\,\,\,\,\,\,\,\,{{\text{C}}_{6}}{{\text{H}}_{5}}\text{CH}_{2}^{-} \\
& (III)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(IV) \\
\end{align}\]

1 I $>$ II $>$ III $>$ IV
2 IV $>$ III $>$ II $>$ I
3 IV $>$ I $>$ II $>$ III
4 I $>$ II $>$ IV $>$ III
GENERAL ORGANIC CHEMISTRY

231372 The correct nucleophilicity order is

1 $\mathrm{CH}_{3}^{-}<\mathrm{NH}_{2}^{-}<\mathrm{HO}^{-}<\mathrm{F}^{-}$
2 $\mathrm{CH}_{3}^{-} \simeq \mathrm{NH}_{2}^{-}>\mathrm{HO}^{-} \simeq \mathrm{F}^{-}$
3 $\mathrm{CH}_{3}^{-}>\mathrm{NH}_{2}^{-}>\mathrm{HO}^{-}>\mathrm{F}^{-}$
4 $\mathrm{NH}_{2}^{-}>\mathrm{F}^{-}>\mathrm{HO}^{-}>\mathrm{CH}_{3}^{-}$
GENERAL ORGANIC CHEMISTRY

231374 Which of the following is strongest nucleophile

1 $\mathrm{Br}^{-}$
2 $: \mathrm{OH}^{-}$
3 $: \mathrm{CN}^{-}$
4 $\mathrm{C}_{2} \mathrm{H}_{5} \overline{\mathrm{O}}$ :
GENERAL ORGANIC CHEMISTRY

231362 The correct increasing order of basic strength for the following compound is -

1 II $<$ I $<$ III
2 II $<$ III $<$ I
3 III $<$ I $<$
4 III $<$ II $<$ I
GENERAL ORGANIC CHEMISTRY

231368 $\mathrm{Br}^{\bullet}$ will abstract which of the hydrogen most readily?

1 a
2 $b$
3 $\mathrm{c}$
4 $\mathrm{d}$
GENERAL ORGANIC CHEMISTRY

231370 The order of decreasing stability of the carbanions
\[\begin{align}
& {{\left( \text{C}{{\text{H}}_{3}} \right)}_{3}}{{\text{C}}^{-}}\,\,\,\,\,{{\left( \text{C}{{\text{H}}_{3}} \right)}_{2}}\text{C}{{\text{H}}^{-}} \\
& (I)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(II) \\
& \text{C}{{\text{H}}_{3}}\text{CH}_{2}^{-}\,\,\,\,\,\,\,\,\,\,{{\text{C}}_{6}}{{\text{H}}_{5}}\text{CH}_{2}^{-} \\
& (III)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(IV) \\
\end{align}\]

1 I $>$ II $>$ III $>$ IV
2 IV $>$ III $>$ II $>$ I
3 IV $>$ I $>$ II $>$ III
4 I $>$ II $>$ IV $>$ III
GENERAL ORGANIC CHEMISTRY

231372 The correct nucleophilicity order is

1 $\mathrm{CH}_{3}^{-}<\mathrm{NH}_{2}^{-}<\mathrm{HO}^{-}<\mathrm{F}^{-}$
2 $\mathrm{CH}_{3}^{-} \simeq \mathrm{NH}_{2}^{-}>\mathrm{HO}^{-} \simeq \mathrm{F}^{-}$
3 $\mathrm{CH}_{3}^{-}>\mathrm{NH}_{2}^{-}>\mathrm{HO}^{-}>\mathrm{F}^{-}$
4 $\mathrm{NH}_{2}^{-}>\mathrm{F}^{-}>\mathrm{HO}^{-}>\mathrm{CH}_{3}^{-}$
GENERAL ORGANIC CHEMISTRY

231374 Which of the following is strongest nucleophile

1 $\mathrm{Br}^{-}$
2 $: \mathrm{OH}^{-}$
3 $: \mathrm{CN}^{-}$
4 $\mathrm{C}_{2} \mathrm{H}_{5} \overline{\mathrm{O}}$ :
GENERAL ORGANIC CHEMISTRY

231362 The correct increasing order of basic strength for the following compound is -

1 II $<$ I $<$ III
2 II $<$ III $<$ I
3 III $<$ I $<$
4 III $<$ II $<$ I
GENERAL ORGANIC CHEMISTRY

231368 $\mathrm{Br}^{\bullet}$ will abstract which of the hydrogen most readily?

1 a
2 $b$
3 $\mathrm{c}$
4 $\mathrm{d}$
GENERAL ORGANIC CHEMISTRY

231370 The order of decreasing stability of the carbanions
\[\begin{align}
& {{\left( \text{C}{{\text{H}}_{3}} \right)}_{3}}{{\text{C}}^{-}}\,\,\,\,\,{{\left( \text{C}{{\text{H}}_{3}} \right)}_{2}}\text{C}{{\text{H}}^{-}} \\
& (I)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(II) \\
& \text{C}{{\text{H}}_{3}}\text{CH}_{2}^{-}\,\,\,\,\,\,\,\,\,\,{{\text{C}}_{6}}{{\text{H}}_{5}}\text{CH}_{2}^{-} \\
& (III)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(IV) \\
\end{align}\]

1 I $>$ II $>$ III $>$ IV
2 IV $>$ III $>$ II $>$ I
3 IV $>$ I $>$ II $>$ III
4 I $>$ II $>$ IV $>$ III
GENERAL ORGANIC CHEMISTRY

231372 The correct nucleophilicity order is

1 $\mathrm{CH}_{3}^{-}<\mathrm{NH}_{2}^{-}<\mathrm{HO}^{-}<\mathrm{F}^{-}$
2 $\mathrm{CH}_{3}^{-} \simeq \mathrm{NH}_{2}^{-}>\mathrm{HO}^{-} \simeq \mathrm{F}^{-}$
3 $\mathrm{CH}_{3}^{-}>\mathrm{NH}_{2}^{-}>\mathrm{HO}^{-}>\mathrm{F}^{-}$
4 $\mathrm{NH}_{2}^{-}>\mathrm{F}^{-}>\mathrm{HO}^{-}>\mathrm{CH}_{3}^{-}$
GENERAL ORGANIC CHEMISTRY

231374 Which of the following is strongest nucleophile

1 $\mathrm{Br}^{-}$
2 $: \mathrm{OH}^{-}$
3 $: \mathrm{CN}^{-}$
4 $\mathrm{C}_{2} \mathrm{H}_{5} \overline{\mathrm{O}}$ :
GENERAL ORGANIC CHEMISTRY

231362 The correct increasing order of basic strength for the following compound is -

1 II $<$ I $<$ III
2 II $<$ III $<$ I
3 III $<$ I $<$
4 III $<$ II $<$ I
GENERAL ORGANIC CHEMISTRY

231368 $\mathrm{Br}^{\bullet}$ will abstract which of the hydrogen most readily?

1 a
2 $b$
3 $\mathrm{c}$
4 $\mathrm{d}$
GENERAL ORGANIC CHEMISTRY

231370 The order of decreasing stability of the carbanions
\[\begin{align}
& {{\left( \text{C}{{\text{H}}_{3}} \right)}_{3}}{{\text{C}}^{-}}\,\,\,\,\,{{\left( \text{C}{{\text{H}}_{3}} \right)}_{2}}\text{C}{{\text{H}}^{-}} \\
& (I)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(II) \\
& \text{C}{{\text{H}}_{3}}\text{CH}_{2}^{-}\,\,\,\,\,\,\,\,\,\,{{\text{C}}_{6}}{{\text{H}}_{5}}\text{CH}_{2}^{-} \\
& (III)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(IV) \\
\end{align}\]

1 I $>$ II $>$ III $>$ IV
2 IV $>$ III $>$ II $>$ I
3 IV $>$ I $>$ II $>$ III
4 I $>$ II $>$ IV $>$ III
GENERAL ORGANIC CHEMISTRY

231372 The correct nucleophilicity order is

1 $\mathrm{CH}_{3}^{-}<\mathrm{NH}_{2}^{-}<\mathrm{HO}^{-}<\mathrm{F}^{-}$
2 $\mathrm{CH}_{3}^{-} \simeq \mathrm{NH}_{2}^{-}>\mathrm{HO}^{-} \simeq \mathrm{F}^{-}$
3 $\mathrm{CH}_{3}^{-}>\mathrm{NH}_{2}^{-}>\mathrm{HO}^{-}>\mathrm{F}^{-}$
4 $\mathrm{NH}_{2}^{-}>\mathrm{F}^{-}>\mathrm{HO}^{-}>\mathrm{CH}_{3}^{-}$
GENERAL ORGANIC CHEMISTRY

231374 Which of the following is strongest nucleophile

1 $\mathrm{Br}^{-}$
2 $: \mathrm{OH}^{-}$
3 $: \mathrm{CN}^{-}$
4 $\mathrm{C}_{2} \mathrm{H}_{5} \overline{\mathrm{O}}$ :