Which one of the following gives, on ozonolysis, both aldehydes and ketones?
Me2C = CHMe
Me2C = CMe2
MeCH2 - C(Me) = CMe2
MeCH(Me) - CH = CHMe
Benzoylation of phenol in alkaline medium is known as
Friedel-Craft's reaction
Wurtz-Fittig reaction
Schotten-Baumann reaction
Sabatier Senderens reduction
Which one of the following compounds is most reactive towards nucleophilic addition?
CH3CHO
PhCOCH3
PhCOPh
CH3COCH3
Distillation of acetone with concentrated sulphuric acid gives
diacetone alcohol
mesityl oxide
mesitylene
propene-2-ol
RCH2CH2OH can be converted to RCH2CH2COOH by the following sequence of steps
PBr3, KCN , H3O+
PBr3, KCN, H2/P+
KCN, H3O+
HCN, PBr3, H3O+
Formation of cyanohydrin from a ketone is an example of
electrophilic addition
nucleophilic substitution
nucleophilic addition
electrophilic substitution
Which of the following will produce only one product on reduction with LiAlH4?
CH3OCOCH2CH3
CH3CH2OCOCH2CH3
CH3CH2OCOCH3
CH3CH2OCOCH2CH2CH3
Which one of the following pairs gives effervescence with aqueous NaHCO3?
I. CH3COCl
II. CH3COCH3
III. CH3COOCH3
IV. CH3COOCOCH3
I and III
I and IV
II and III
I and III
B.
I and IV
Due to strong negative inductive effect shown by -Cl and -OCOCH3 group, acid chloride and acid anhydride are highly reactive among acid derivatives. They react independently with water even in the absence of catalyst to give carboxylic acid.
CH3COCl CH3COONa + CO2 + HCl
CH3COOCOCH3 2CH3COONa + CO2