Synthesis by Reduction of Nitro Compounds
Trending Questions
Q. Nitroethane on reduction with Sn/HCl gives:
- C2H6
- C2H5NH2
- C2H5OH
- None of the above
Q. Amine that cannot be prepared by Gabriel phthalimide synthesis is:
- aniline
- benzylamine
- methylamine
- iso-butylamine
Q.
Which of the following amine liberates nitrogen gas on reaction with HNO2 ?
C6H5 NH2
CH3NH2
(CH3)3 N
(CH3)2NH
Q. What is the product formed when nitrobenzene is treated with Zn-Dust and Ammonium Chloride?
- Benzene
- Aniline
- Azoxybenzene
- Phenyl hydroxylamine
Q. An orange dye p-hydroxyazobenzene can be synthesized from benzene diazonium chloride by
- Sandmeyer reaction
- Coupling reaction
- Gattermann reaction
- Friedal craft reaction
Q.
An organic compound 'A' reacts with Sodium metal and forms 'B'. On heating with conc.H2SO4, A gives diethyl ether. A and B respectively.
C2H5OH and C2H5ONa
C3H7OH and CH3ONa
CH3OH and CH3ONa
C4H9OH and C4H9ONa
Q. For the reaction
C2H5OH + HX = C2H5X
catalyst is ZnX2 . The order of reactivity is
1 HI>HCl>HBr
2. HCl>HBr>HCl
3. Hbr>HI>HCl
4.none
Q.
Which of the following does not disproportionate?
Q. What is the correct reactivity order of alkyl halides towards ammonolysis ?
- RI>RBr>RCl
- RBr>RCl>RI
- RCl>RBr>RI
- RI>RCl>RBr
Q.
Aqua regia releases nascent ______.
Q. \(P\) and \(Q\) are isomers of dicarboxylic acid \(C_4H_4O_4\). Both decolorize \(Br_2/H_2O\). On heating, \(P\) forms the cyclic anhydride.
Upon treatment with dilute alkaline \(KMnO_4, P\) as well as \(Q\) could produce one or more than one from \(S, ~ T\) and \(U.\)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1566380/original_13.png)
\( S \) \( T \) \( U \)
Upon treatment with dilute alkaline \(KMnO_4, P\) as well as \(Q\) could produce one or more than one from \(S, ~ T\) and \(U.\)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1566380/original_13.png)
\( S \) \( T \) \( U \)
Q. 19. Reaction of phenol with PBr3? With mechanism and through which path does it go through
Q. Which of the following reagents cannot be used for the conversion of nitrobenzene to aniline?
- H2/Pd in ethanol
- Fe+HCl
- Zn/NH4Cl
- HNO3+H2SO4