Multiple Choice QuestionsThe correct IUPAC name of [Co(NH3)3(NO2)3] is
Triammine trinitro-N cobalt (III)
Triammine trinitro-N cobalt (II)
Triammine cobalt (III) nitrite
Triammine trinitro-N cobaltate (III)
The replacement of diazonium group by fluorine is known as
Gattermann reaction
Sandmeyer reaction
Balz-Schiemann reaction
Etard reaction
Identify the alkene that is produced in the following series of reactions
A.
Quaternary ammonium salt of alkyl amines, when reacts with silver oxide yield quaternary ammonium hydroxide. On strong heating, it decomposes into alkene, tert. amine and water. This reaction is known as Hofmann elimination reaction. Here elimination of H takes place from β-carbon having more hydrogen atoms.
An organic compound X having molecular formula C3H11N reacts with p-toluene sulphonyl chloride to form a compound Y that is soluble in aqueous KOH. Compound X is optically active and reacts with acety lchloride to form compound Z. Identify the compound Z
CH3CH2CH2CH2NHCOCH3
CH3CH2CH(CH3)NHCOCH3
CH3(CH3)CHCH2NHCOCH3
Diethyl amine when treated with nitrous acid yields
diethyl ammonium nitrite
ethyl alcohol
N-nitroso diethyl amine
triethyl ammonium nitrite
The amine 'A' when treated with nitrous acid gives yellow oily substance. The amine A is
triethylamine
trimethylamine
aniline
methylphenylamine
In case of substituted aniline the group which decreases the basic strength is
-OCH3
-CH3
-NH2
-C6H5
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
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 one of the following can be prepared by Gabriel phthalimide synthesis?
Aniline
o- toluidine
Benzylamine
N-methylethanamine
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