Q.1 Consider the following reaction:
R―CHO + 2[Ag(NH3)2]OH R―COONH4 + 2Ag + 2NH3 + H2O
This reaction represents one of the following tests.
A) Fehling test C) Ninhydrin test
B) Benedict test D) Tollens test
Q.2 In the below reaction, the nucleophile is:
HCHO + HCN . OH H2C CN
A) CN― C) Cl
B) HCl D) OH
R―CHO + 2[Ag(NH3)2]OH R―COONH4 + 2Ag + 2NH3 + H2O
This reaction represents one of the following tests.
A) Fehling test C) Ninhydrin test
B) Benedict test D) Tollens test
Q.2 In the below reaction, the nucleophile is:
HCHO + HCN . OH H2C CN
A) CN― C) Cl
B) HCl D) OH
Q.13 Which one of the following is also called silver mirror test?
A) Fehling’s solution test C) Tollen’s reagent
B) Iodoform test D) Benedict’s solution tests
A) Fehling’s solution test C) Tollen’s reagent
B) Iodoform test D) Benedict’s solution tests
It is the general formula of:
A) 2, 4-Dinitrophenyl hydrazine C) Phenyl hydrazone
B) 1, 3-Dinitrophenyl hydrazone D) 2, 4-Dinitrophenyl hydrazone
Q.17
Which one of the following is the IUPAC name of above given structure:
A) Propionaldehyde C) Acetaldehyde
B) Methanone D) Methanal
Q.18 Which one of the following test is given by both aldehyde and ketone?
A) 2, 4-Dinitrophenyl hydrazine C) Phenyl hydrazone
B) 1, 3-Dinitrophenyl hydrazone D) 2, 4-Dinitrophenyl hydrazone
Q.17
Which one of the following is the IUPAC name of above given structure:
A) Propionaldehyde C) Acetaldehyde
B) Methanone D) Methanal
Q.18 Which one of the following test is given by both aldehyde and ketone?
A) Silver mirror test | C) 2, 4 DNPH test |
B) Fehling’s solution test | D) Benedict’s solution test |