CBSE
Multiple Choice QuestionsWhich 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
Which of the following converts carbonyl compounds into hydrocarbons ?
H2/ Pt
LiAlH4
K2Cr2O7 / H2SO4
Zn-Hg / HCl
Saturated fatty acids are represented by which of the formula?
CnHnO2
CnH3nO2
CnH2n+1
CnH2nO2
Distillation of acetone with concentrated sulphuric acid gives
diacetone alcohol
mesityl oxide
mesitylene
propene-2-ol
Acetonitriles on hydrolysis produce which of the following?
Amine
Acid
Amines
Carbonyl compounds
Which one of the following gives, on ozonolysis, both aldehydes and ketones?
Me2C = CHMe
Me2C = CMe2
MeCH2 - C(Me) = CMe2
MeCH(Me) - CH = CHMe
Formation of cyanohydrin from a ketone is an example of
electrophilic addition
nucleophilic substitution
nucleophilic addition
electrophilic substitution
Short Answer TypeAn organic compound 'A' on treatment with ammoniacal silver nitrate gives metallic silver and produces a yellow crystalline precipitate of molecular formula C9H10N4O4 on treatment with Brady's reagent. Give the structure of the organic compound 'A'.
Multiple Choice QuestionsRCH2CH2OH can be converted to RCH2CH2COOH by the following sequence of steps
PBr3, KCN , H3O+
PBr3, KCN, H2/P+
KCN, H3O+
HCN, PBr3, H3O+
When calcium acetate is distilled, it will produce which of the following compound ?
CH3COOH
CH3CHO
CH3COCH3
All of these
