The chemicals used for preparing acetophenone are
(A) C6H6
(B) CH3COCH3
(C) CH3COCl
(D) Anhydrous AlCl3
A, B, C
B, C, D
A, C, D
A, B, D
Which one of the following compounds give aspirin on reacting with acetic anhydride in the presence of conc. H2SO4 ?
The reagent used for converting acetylene to oxalic acid is
HgSO4/ aqueous H2SO4
HgSO4/ CH3COOH
KMnO4/ KOH, 25°C
Cr2O3/ H2SO4
Acid hydrolysis of X yields two different organic compounds. Which one of the following is X?
CH3COOH
CH3CONH2
CH3COOC2H5
(CH3CO)2O
Acetaldehyde forms a white crystalline precipitate on mixing with a ...... solution of ........
acidic, Zn— Hg
alcoholic, Na2SO3
saturated aqueous, NaHSO3
aqueous, NaCl
C.
saturated aqueous, NaHSO3
Which one of the following functional groups undergoes hydrolysis with alkali to yield an acid group?
-CN
-CHO
-COCH3
-Br
Which of the following, compounds is 'the reactant in Rosenmund's reduction?
CH3CO2H
CH3CHO
CH3CH2Cl
CH3COCl
Which of the following reagents can form a hydrazone with alkanone ?
NH3OHCl
PhNHNH2
NH2NHCONH2
HCN
3-hydroxybutanal is formed when (X) reacts with (Y) in dilute (Z) solution. What are X,Y and Z?