1
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$$^-$$
2
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
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Hofmann’s bromamide reaction is to convert

A
amine to amide
B
amide to amine
C
alcohol to acid
D
acid to alcohol
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Decomposition of benzene diazonium chloride by using Cu$$_2$$Cl$$_2$$/HCl to form chlorobenzene is

A
Cannizarro's reaction
B
Kolbe's reaction
C
Sandmeyer's reaction
D
Raschig's reaction
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