01. Diazo-tization Reaction
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AMINES

278850 In Gattermann reaction, a diazonium group is replaced by $\underline{X}$ using $\underline{Y} . \underline{X}$ and $\underline{Y}$ are
$\underline{\mathbf{X}}$ - $\mathbf{Y}$

1 $\mathrm{Cl}^{\Theta}$ - $\mathrm{Cu} / \mathrm{HCl}$
2 $\mathrm{Cl}^{\oplus}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
3 $\mathrm{Cl}^{\Theta}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
4 $\mathrm{Cl}_{2}$ - $\mathrm{Cu}_{2} \mathrm{O} / \mathrm{HCl}$
VITEEE- 2009
AMINES

278857 Which of the following is the most stable diazonium salt?

1 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
2 $\mathrm{CH}_{3} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
3 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
4 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
MHT CET-2015
AMINES

278858 Reduction of nitrobenzene with $\mathrm{Zn}$ and alcoholic $\mathrm{KOH}$ solution results in the formation of the following compound

1 hydrazobenzene
2 azobenzene
3 aniline
4 phenyl hydroxyl amine
AP-EAMCET- (Engg.) - 2010
AMINES

278859 In the diazotization of aryl amine the use of nitrous acid is

1 it suppresses hydrolysis of phenol
2 it is a source of electrophilic nitrosonium ion
3 it neutralizes the base liberated
4 all of the above
AMU-2011
AMINES

278860 Nitrobenzene can be converted into azobenzene by reduction with

1 $\mathrm{Zn}, \mathrm{NH}_{4} \mathrm{Cl}, \Delta$
2 $\mathrm{Zn} / \mathrm{NaOH}, \mathrm{CH}_{3} \mathrm{OH}$
3 $\mathrm{Zn} / \mathrm{NaOH}$
4 $\mathrm{LiAlH}_{4}$, ether
VITEEE- 2010
Join With Us for More Updates
AMINES

278850 In Gattermann reaction, a diazonium group is replaced by $\underline{X}$ using $\underline{Y} . \underline{X}$ and $\underline{Y}$ are
$\underline{\mathbf{X}}$ - $\mathbf{Y}$

1 $\mathrm{Cl}^{\Theta}$ - $\mathrm{Cu} / \mathrm{HCl}$
2 $\mathrm{Cl}^{\oplus}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
3 $\mathrm{Cl}^{\Theta}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
4 $\mathrm{Cl}_{2}$ - $\mathrm{Cu}_{2} \mathrm{O} / \mathrm{HCl}$
VITEEE- 2009
AMINES

278857 Which of the following is the most stable diazonium salt?

1 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
2 $\mathrm{CH}_{3} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
3 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
4 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
MHT CET-2015
AMINES

278858 Reduction of nitrobenzene with $\mathrm{Zn}$ and alcoholic $\mathrm{KOH}$ solution results in the formation of the following compound

1 hydrazobenzene
2 azobenzene
3 aniline
4 phenyl hydroxyl amine
AP-EAMCET- (Engg.) - 2010
AMINES

278859 In the diazotization of aryl amine the use of nitrous acid is

1 it suppresses hydrolysis of phenol
2 it is a source of electrophilic nitrosonium ion
3 it neutralizes the base liberated
4 all of the above
AMU-2011
AMINES

278860 Nitrobenzene can be converted into azobenzene by reduction with

1 $\mathrm{Zn}, \mathrm{NH}_{4} \mathrm{Cl}, \Delta$
2 $\mathrm{Zn} / \mathrm{NaOH}, \mathrm{CH}_{3} \mathrm{OH}$
3 $\mathrm{Zn} / \mathrm{NaOH}$
4 $\mathrm{LiAlH}_{4}$, ether
VITEEE- 2010
For More Updates join with Us
AMINES

278850 In Gattermann reaction, a diazonium group is replaced by $\underline{X}$ using $\underline{Y} . \underline{X}$ and $\underline{Y}$ are
$\underline{\mathbf{X}}$ - $\mathbf{Y}$

1 $\mathrm{Cl}^{\Theta}$ - $\mathrm{Cu} / \mathrm{HCl}$
2 $\mathrm{Cl}^{\oplus}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
3 $\mathrm{Cl}^{\Theta}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
4 $\mathrm{Cl}_{2}$ - $\mathrm{Cu}_{2} \mathrm{O} / \mathrm{HCl}$
VITEEE- 2009
AMINES

278857 Which of the following is the most stable diazonium salt?

1 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
2 $\mathrm{CH}_{3} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
3 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
4 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
MHT CET-2015
AMINES

278858 Reduction of nitrobenzene with $\mathrm{Zn}$ and alcoholic $\mathrm{KOH}$ solution results in the formation of the following compound

1 hydrazobenzene
2 azobenzene
3 aniline
4 phenyl hydroxyl amine
AP-EAMCET- (Engg.) - 2010
AMINES

278859 In the diazotization of aryl amine the use of nitrous acid is

1 it suppresses hydrolysis of phenol
2 it is a source of electrophilic nitrosonium ion
3 it neutralizes the base liberated
4 all of the above
AMU-2011
AMINES

278860 Nitrobenzene can be converted into azobenzene by reduction with

1 $\mathrm{Zn}, \mathrm{NH}_{4} \mathrm{Cl}, \Delta$
2 $\mathrm{Zn} / \mathrm{NaOH}, \mathrm{CH}_{3} \mathrm{OH}$
3 $\mathrm{Zn} / \mathrm{NaOH}$
4 $\mathrm{LiAlH}_{4}$, ether
VITEEE- 2010
NEET DIGITAL LIBRARY
AMINES

278850 In Gattermann reaction, a diazonium group is replaced by $\underline{X}$ using $\underline{Y} . \underline{X}$ and $\underline{Y}$ are
$\underline{\mathbf{X}}$ - $\mathbf{Y}$

1 $\mathrm{Cl}^{\Theta}$ - $\mathrm{Cu} / \mathrm{HCl}$
2 $\mathrm{Cl}^{\oplus}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
3 $\mathrm{Cl}^{\Theta}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
4 $\mathrm{Cl}_{2}$ - $\mathrm{Cu}_{2} \mathrm{O} / \mathrm{HCl}$
VITEEE- 2009
AMINES

278857 Which of the following is the most stable diazonium salt?

1 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
2 $\mathrm{CH}_{3} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
3 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
4 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
MHT CET-2015
AMINES

278858 Reduction of nitrobenzene with $\mathrm{Zn}$ and alcoholic $\mathrm{KOH}$ solution results in the formation of the following compound

1 hydrazobenzene
2 azobenzene
3 aniline
4 phenyl hydroxyl amine
AP-EAMCET- (Engg.) - 2010
AMINES

278859 In the diazotization of aryl amine the use of nitrous acid is

1 it suppresses hydrolysis of phenol
2 it is a source of electrophilic nitrosonium ion
3 it neutralizes the base liberated
4 all of the above
AMU-2011
AMINES

278860 Nitrobenzene can be converted into azobenzene by reduction with

1 $\mathrm{Zn}, \mathrm{NH}_{4} \mathrm{Cl}, \Delta$
2 $\mathrm{Zn} / \mathrm{NaOH}, \mathrm{CH}_{3} \mathrm{OH}$
3 $\mathrm{Zn} / \mathrm{NaOH}$
4 $\mathrm{LiAlH}_{4}$, ether
VITEEE- 2010
Join With Us for More Updates
AMINES

278850 In Gattermann reaction, a diazonium group is replaced by $\underline{X}$ using $\underline{Y} . \underline{X}$ and $\underline{Y}$ are
$\underline{\mathbf{X}}$ - $\mathbf{Y}$

1 $\mathrm{Cl}^{\Theta}$ - $\mathrm{Cu} / \mathrm{HCl}$
2 $\mathrm{Cl}^{\oplus}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
3 $\mathrm{Cl}^{\Theta}$ - $\mathrm{CuCl}_{2} / \mathrm{HCl}$
4 $\mathrm{Cl}_{2}$ - $\mathrm{Cu}_{2} \mathrm{O} / \mathrm{HCl}$
VITEEE- 2009
AMINES

278857 Which of the following is the most stable diazonium salt?

1 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
2 $\mathrm{CH}_{3} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
3 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
4 $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2}^{+} \mathrm{X}^{-}$
MHT CET-2015
AMINES

278858 Reduction of nitrobenzene with $\mathrm{Zn}$ and alcoholic $\mathrm{KOH}$ solution results in the formation of the following compound

1 hydrazobenzene
2 azobenzene
3 aniline
4 phenyl hydroxyl amine
AP-EAMCET- (Engg.) - 2010
AMINES

278859 In the diazotization of aryl amine the use of nitrous acid is

1 it suppresses hydrolysis of phenol
2 it is a source of electrophilic nitrosonium ion
3 it neutralizes the base liberated
4 all of the above
AMU-2011
AMINES

278860 Nitrobenzene can be converted into azobenzene by reduction with

1 $\mathrm{Zn}, \mathrm{NH}_{4} \mathrm{Cl}, \Delta$
2 $\mathrm{Zn} / \mathrm{NaOH}, \mathrm{CH}_{3} \mathrm{OH}$
3 $\mathrm{Zn} / \mathrm{NaOH}$
4 $\mathrm{LiAlH}_{4}$, ether
VITEEE- 2010