What is the correct IUPAC name of :
4 - methoxy - 2 - nitrobenzaldehyde
4 - formyl - 3 - nitro anisole
4 - methoxy - 6 - nitrobenzaldehyde
2 - formyl - 5 - methoxy nitrobenzene
The reaction ,
CH3-CO-OCH3 + C2H5OH CH3-CO-OC2H5 + CH3OH is called :
Perkin's reaction
Claisen Schmidt reaction
Esterification
Trans-esterification
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
CH6CO5NHCH3 can be converted into C6H5CH2NHCH3 by
NaBH4
H2-Pd/C
LiAl4
Zn-Hg/HCl
D.
Zn-Hg/HCl
C6H5CONHCH3 C6H5CH2NHCH3
The above reaction is known as Clemmensen reaction. It is a reaction described as a reduction of ketones (or aldehydes) to alkanes using zinc amalgam and concentrated hydrochloric acid.
The cyanohydrin of which compound, gives lactic acid on hydrolysis ?
HCHO
CH3CHO
C6H5CHO
CH3COCH3
The intermediate formed in aldol condensation is :
aldol
carbanion
alcohol
alpha-hydrogen ester
The compound most suitable for the preparation of cyanohydrin is :
C2H5COOH
C6H5NH2
C2H5COC2H5
C2H5-C2H5
Which of the following has the highest dipole moment ?
(H)2-C=O
(CH3)2-C=C-(H)2
CH3-CH=CH-CH3
CH3-C(Cl)=C(Cl)-CH3