1
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$$_2$$
2
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$$^-$$
3
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
4
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
COMEDK Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12