Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?
Reaction is useful for decreasing length of carbon chain by one carbon atom
It gives tertiary amine
It gives primary amine
Aqueous or alco. KOH is used with bromine
B.
It gives tertiary amine
Among all the given statements, statement b is incorrect. The given statement is used to synthesise primary amine.
In this reaction, amide on reaction with Br2 in an aqueous or ethanolic solution of NaOH give 1° amine with one C atom less than that present in the amide.
RCONH2 + Br2 + 4KOH RNH2 + 2KBr + K2CO3 + 2H2O
Aldehyde or ketones when treated with C6H5 - NH - NH2, the product formed is
semicarbazone
phenlhydrazone
hydrazone
oxime
Which of the following is used as antiseptic?
Chloramphenicol
Bithional
Cimetidine
Chlordiazepoxide
The amine, which reacts with p-toluenesulphonyl chloride to give a clear solution, which on acidification gives insoluble compound is
C2H5NH2
(C2H5)2NH
(C2H5)3N
CH3NHC2H5
Which of the following compound will give positive iodoform test?
Isopropyl alcohol
Propionaldehyde
Ethylphenyl ketone
Benzyl alcohol
The conversion of ethyl bromide using sodium iodide and dry acetone, this reaction is known as
Swarts reaction
Finkelstein reaction
Sandmeyer reaction
Stephen reaction
Which of the following in Baeyer's reagent?
Alkaline KMnO4
Acidic K2Cr2O7
Alkaline Na2Cr2O7
MnO2
The polymer used in making handles of cookers and frying pans is
bakelite
nylon-2-nylon-6
orion
polyvinyl chloride