Iodoform test is not given by :
HCHO
CH3CHO
CH3COCH3
C2H5OH
A.
HCHO
Iodoform test is given by those compounds which have -CO-CH3 gorup or on oxidation yields this group.
Formaldehyde does not have -CO-CH3 group. It does not give iodoform test.
The reagent used in Gatterman Koch aldehyde synthesis is :-
Pb/ BaSO4
alkaline KMnO4
acidic KMnO4
CO + HCl
Which of the following is a use of alum?
Making explosives
Bleaching clothes
Water softening
All of the above
The correct order of ease of dehydration of following is:
I > II > III
III > II > I
I > III > II
III > I > II
When acetamide reacts with Br2 and caustic soda, then we get :
acetic acid
bromoacetic acid
methyl amine
ethyl amine