The reaction ,
2CH3-CO-OC2H5 CH3-CO-CH2-CO-OC2H5 + C2H5OH is called :
Etard reaction
Perkin's reaction
Claisen condensation
Claisen Schmidt reaction
Formaldehyde reacts with ammonia to give urotropine .The formula of urotropine is :
(CH2)6N4
(CH2)4N3
(CH2)6N6
(CH2)3N3
A.
(CH2)6N4
HCHO react with ammonia to form hexarnethylene tetramine (urotropine) .This is used as medicine and in making explosive (like RDX) .
6HCHO + 4NH3 + 6H2O
The specific rotation of equilibrium mixture of - D-glucose and - D-glucose, is :
+ 19°
+ 112°
+ 52°
+ 100°
The structural formula of an amino acid, isoleucine is :
CH3--COOH
(CH3)2-CH--COOH
--COOH
(C2H5)2-CH--COOH
Which of the following reaction is catalysed by enzyme maltase ?
starch maltose
maltose glucose
lactose maltose
maltose glucose + fructose
The components of Zeigler Natta catalyst, used in the polymerisation of propylene, are:
TiCl3 + Al(C2H5)3
TiCl4 + Al(C2H5)3
Ti(C2H5)3 + AlCl3
Ti(C2H5)4 + AlCl3
The cyanohydrin of which compound, gives lactic acid on hydrolysis ?
HCHO
CH3CHO
C6H5CHO
CH3COCH3