1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which among the following will not liberate nitrogen on reaction with nitrous acid?

A
dimethylamine
B
2-aminopropane
C
ethylamine
D
methylamine
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The chemical formula of Hinsberg's reagent is

A
HNO$$_2$$
B
NaOH + CaO
C
C$$_6$$H$$_5$$SO$$_2$$Cl
D
CH$$_3$$CONH$$_2$$
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following is most stable?

A
CH$$_2$$N$$_2^+$$X$$^-$$
B
C$$_6$$H$$_5$$N$$_2^+$$X$$^-$$
C
CH$$_3$$CH$$_2$$N$$_2^+$$X$$^-$$
D
C$$_6$$H$$_5$$CH$$_2$$N$$_2^+$$X$$^-$$
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Acidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration which confirms the presence of

A
S
B
N
C
N and S
D
S and Cl
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