CBSE
Multiple Choice QuestionsWhich inorganic compound on heating changes into organic compound ?
Ammonium cyanide
Sodalime
Potassium cyanide
Sodamide
Which amine amongst the following will answer positively the carbylamine test?
C6H5 - NH - CH3
C6H5 - NH - C4H9
C6H5 - N(C2H5)2
Arrange the following in the increasing order of their basic strengths :
CH3NH2 , (CH3)2NH , (CH3)3N , NH3
NH3 < (CH3)3N < (CH3)2NH < CH3NH2
NH3 < (CH3)3N < CH3NH2 < (CH3)2NH
(CH3)3N < NH3 < CH3NH2 < (CH3)2NH
CH3NH2 < (CH3)2NH < (CH3)3N < NH3
Hexamethylenetetramine is used as
urinary antiseptic
antipyretic
analgesic
all of these
In the given reaction,
X Y
The products X and Y respectively are:
o-bromo nitrobenzene and o-bromoaniline
p-bromo nitrobenzene and p-bromoaniline
m-bromo nitrobenzene and m-bromoaniline
m-bromo nitrobenzene and m-bromoaniline
Assertion : Benzene reacts with iodine monochloride in presence of anhyd. AlCl3 to form iodobenzene.
Reason : Iodine monochloride reacts with anhyd. AlCl3 to produce I+ which attacks the benzene ring.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
The reaction of a primary amine with chloroform and ethanolic solution of KOH is called
Hofmann's reaction
coupling reaction
carbylamine reaction
Curtius reaction
The bad odour compound formed by the reaction between chloroform and aniline in the presence of alcoholic KOH :
acetylene
nitro benzene
phenyl isocyanate
carbylamine
Hinsberg reagent is :
C6H5SO3H
C6H5NO
C6H5SO2Cl
C6H5N2Cl
Which ofthe following reactions will not give a primary amine?
CH3NC
CH3CN
CH3CONH2
CH3CONH2
