CH3-CH2-Cl A, the product is :
Alkyl halides undergoes - elimination in presence of alcoholic KOH, to give unsaturated hydrocarbons. This is also called dehydrodehalogenation of alkyl halides.
CH3.CH2Cl + KCl + H2O
Hinsberg's reagent is :
Benzene sulphonyl chloride is called Hinsberg's reagent. This reagent is used to distinguish between primary secondary and tertiary amines.
Which of the following reaction is catalysed by enzyme maltase ?
maltose glucose + fructose
Maltase enzyme catalyse the conversion of maltose into glucose (2 moles).
The reaction ,
2CH3-CO-OC2H5 CH3-CO-CH2-CO-OC2H5 + C2H5OH is called :
Claisen Schmidt reaction
2 molecules of ester condense to give - keto ester ,in presence of alkali .This reaction is called Claisen condensation .
2CH3-CO-OC2H5 + C2H5OH
The structural formula of an amino acid, isoleucine is :
Isoleucin is an amino-acid. Chemically it is 2-amino-3-methyl pentanoic acid.
Formaldehyde reacts with ammonia to give urotropine .The formula of urotropine is :
HCHO react with ammonia to form hexarnethylene tetramine (urotropine) .This is used as medicine and in making explosive (like RDX) .
6HCHO + 4NH3 + 6H2O
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
TiCl4 + Al(C2H5)3
Zeigler Natta catalyst is an organo-metallic compound, which is used in polymerisation reactions. Its components are TICl4 + Al(C2H5)3.
Phenol reacts with aqueous bromine to give :
OH group in phenol ,activates the benzene ring ,hence it easily reacts with bromine water to give tribromo phenol .
The specific rotation of equilibrium mixture of - D-glucose and - D-glucose, is :
The specific rotation of - D-glucose is + 113° and that of - D-glucose is + 19°. The specific rotation of their mixture, in equilibrium, is + 52°.
The cyanohydrin of which compound, gives lactic acid on hydrolysis ?
Lactic acid is obtained by the hydrolysis of acetaldehyde cyanohydrin.