Which of the following reagents can be used to distinguish nitroethane – InterviewSolution

InterviewSolution

1.	Which of the following reagents can be used to distinguish nitroethane and nitrobenzene ?A. `Sn//HCl`B. `Zn//NH_(4)Cl`C. `LiAlH_(4)`D. `Fe//HCl`.
Answer» Correct Answer - C `LiAlH_(4)` reduces nitroethane to ethylamine and nitrobenzene to azobenzene. `C_(2)H_(5)NO_(2)+6[H] overset(LiAlH_(4))(rarr)C_(2)H_(5)NH_(2)+2H_(2)O overset(LiAlH_(4))(rarr) C_(6)H_(5)N = NC_(6)H_(5)+4H_(2)O`

Discussion

No Comment Found

Related InterviewSolutions

Which of the following represents the poinsonous gas which caused the tragedy in Bhopal in `1984` ?A. `CH_(3)C=N=S`B. `CH_(3)-N=C=O`C. `CH_(3)-N=C=S`D. `CH_(3)-O-N=C`
Which of the following is a secondary amine ?A. Isopropyl amineB. Sec-Butyl amineC. N-MethylbutanamineD. Diethylaniline
Secondary propyl amine isA. primary amineB. secondary amineC. tertiary amineD. none of these
The IUPAC name of acrylonitrile isA. vinyl cyanideB. ethenylnitrileC. prop-2-enenitrileD. cyanoethene
Which of the following of the following sequence will convert methyl cyanide to ethyl isocyanide ?A. `3_(square)^(+)O, LiAlH_(4), P//I_(2), AgCN`B. `LiAlH_(4), NaNO_(2)//HCl, KCN`C. `H_(3)O^(+), NH_(3), P_(2)O_(5)`D. none of the above.
Ethyl isocyanide on hydrolysis in acidic medium generates:A. ethylamine salt and methanoic acidB. propanoic acid and ammonium saltC. ethanoic acid and ammonium saltD. mwthylamine salt and ethanoic acid.
Methyl carbylamine is treated with ozone, the product isA. Formic acidB. Formic acid and methylamineC. Methyl isocyanateD. Formalimine
When methyl carbylamine is heated for some time it is converted intoA. EthaneB. MethaneC. EthanamineD. Ethane nitrile.
Which one of the following is called a carbylamineA. `RCN`B. `RCONH_(2)`C. `RCN=NH`D. `N NC`.
Carbylamine test is given byA. AlcoholsB. Primary aminesC. Carboxylic acidD. Aldehyde.