An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is
1. Nitrobenzene
2. Nitromethane
3. Methylamine
4. Aniline
are ........... isomers.
1.Chain
2. functional
3. position
4. all of these
Primary, secondary and tertiary nitroalkanes can be identifier by the action of:
1.
2.
3.
4. none of these
A nitrogenous substance X is treated with HNO2 and the product so formed is further treated with NaOH solution, which produces blue colouration. X can be:
1.
2.
3.
4.
Product (C) is
1. Nitrobenzene
2. 1,3-Diethoxybenzene
3. Ethoxybenzene
4. Benzene
Which of the following is regenerated at the end of the reaction
(1) X
(2) Y
(3) Z
(4) W
Product (C) in the above reaction is:
1.
2.
3.
4.
upon heating generates -
1. Nitrogen gas
2. Carbon dioxide
3. Biuret
4. Ammonium carbonate
An organic compound X (mol. formula C6H5O2N) has 6 carbon atoms in a ring system, three double bonds and also a nitro group as substituent X is:
1. Homocyclic but not aromatic
2. Aromatic but not homocyclic
3. Homocyclic and aromatic
4. Heterocyclic
A given nitrogen-containing aromatic compound a reacts with Sn/HCl, followed by HNO2 to give an unsatable compound B.B, on treament with phenol, forms a beautiful coloured compound C with the molecular formula C12H10N2O. The structure of compound A is