285338 Electrophile that participates in nitration of benzene is

285339 Identify ' Q ' in the following sequence of reactions:
$\stackrel{\text{ - }}{\to }\stackrel{{\mathrm{PCl}}_5}{\to }\underset{\text{ Excess }}{\overset{{\mathrm{NaNH}}_2}{\to }}\mathrm{Q}$

Ans:d
Exp:(d)
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285340 Number of possible alkynes with formula${\mathrm{C}}_5{\mathrm{H}}_8$ is

285337 Replacement of Cl of chlorobenzene to give phenol requires drastic conditions, but Cl of 2,4 -dinitrochlorobenzene is readily replaced. This is because

285338 Electrophile that participates in nitration of benzene is

285339 Identify ' Q ' in the following sequence of reactions:
$\stackrel{\text{ - }}{\to }\stackrel{{\mathrm{PCl}}_5}{\to }\underset{\text{ Excess }}{\overset{{\mathrm{NaNH}}_2}{\to }}\mathrm{Q}$

Ans:d
Exp:(d)
>

285340 Number of possible alkynes with formula${\mathrm{C}}_5{\mathrm{H}}_8$ is

285337 Replacement of Cl of chlorobenzene to give phenol requires drastic conditions, but Cl of 2,4 -dinitrochlorobenzene is readily replaced. This is because

285338 Electrophile that participates in nitration of benzene is

285339 Identify ' Q ' in the following sequence of reactions:
$\stackrel{\text{ - }}{\to }\stackrel{{\mathrm{PCl}}_5}{\to }\underset{\text{ Excess }}{\overset{{\mathrm{NaNH}}_2}{\to }}\mathrm{Q}$

Ans:d
Exp:(d)
>

285340 Number of possible alkynes with formula${\mathrm{C}}_5{\mathrm{H}}_8$ is

285337 Replacement of Cl of chlorobenzene to give phenol requires drastic conditions, but Cl of 2,4 -dinitrochlorobenzene is readily replaced. This is because

285338 Electrophile that participates in nitration of benzene is

285339 Identify ' Q ' in the following sequence of reactions:
$\stackrel{\text{ - }}{\to }\stackrel{{\mathrm{PCl}}_5}{\to }\underset{\text{ Excess }}{\overset{{\mathrm{NaNH}}_2}{\to }}\mathrm{Q}$

Ans:d
Exp:(d)
>

285340 Number of possible alkynes with formula${\mathrm{C}}_5{\mathrm{H}}_8$ is