JEE Main Chemistry - Organic Chemistry Based on Functional Group II
Exam Duration: 60 Mins Total Questions : 30
Acetaldehyde when treated with caustic soda as a catalyst forms
- (a)
sodium acetate
- (b)
resin
- (c)
aldol
- (d)
acetone
When propyne is treated with dil H2SO4 in the presence of mercuric sulphate, the product formed would be
- (a)
propanal
- (b)
propanone
- (c)
propanol-2
- (d)
ethyl alcohol
The IUPAC name for picric acid is
- (a)
1,3,5 trinitro-6,hydroxy benzene
- (b)
2,4,6 trinitro-1, hydroxy benzene
- (c)
2,4,5 trinitro phenol
- (d)
2,4,6 trinitro-1,hydroxy hexane
When calicum acetae is dry distiled, the compound obtained is
- (a)
acetaldehyde
- (b)
acetone
- (c)
acetic acid
- (d)
formaldehyde
Which one of the following is formalin?
- (a)
a 40% solution of formic acid
- (b)
a 40% solution of formaldehyde
- (c)
a 40% solution of methanol
- (d)
a 40% solution of methanaldehyde
When benzoic acid is sulphonated, we obtain
- (a)
a mixture of o and p-sulphobenzoic
- (b)
o-sulphobenzoic acid
- (c)
p-sulphobenzoic acid
- (d)
m-sulphobenzoic acid
Which one of the following acids reduces ammonical silver nitrate?
- (a)
acetic acid
- (b)
formic acid
- (c)
n-butryric acid
- (d)
propionic acid
Smell of bittr almond is given by
- (a)
phenol
- (b)
benzene
- (c)
benzaldehyde
- (d)
benzoic acid
Carbon monoxide gas was passed through strong sodium hydroxide solution under high pressure at 473 k.The product formed on acidification:
- (a)
formic acid
- (b)
acetic acid
- (c)
methanol
- (d)
carbonic acid
Which one of the following tests cannot be used for distinguishing between aldehydes and ketones?
- (a)
2, 4 dinitrophenyl hydrazine test
- (b)
Fehling's test
- (c)
Tollen's test
- (d)
Schiff's test
A hydrocarbon B adds one mole of H2 in presence of Pt to form an alkane. When B is oxidised vigorously with KMnO4 solution a carboxylic acid is obtained. Compound B can be
- (a)
\(CH_3CH_2CH=CHCH_2CH\)
- (b)
\(CH_3CH_2CH_2CH_2CH_2=CH_2\)
- (c)
\(CH_3CH=CHCH_2CH_2CH_2\)
- (d)
\({ CH }_{ 3 }-{ CH- }CH-{ CH }-{ { CH }_{ 3 } }\\ \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad |\\ \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad { CH }_{ 3 }\)
Cannizzaro's reaction is given only with
- (a)
Ketones
- (b)
carboxylic acid
- (c)
aldehydes having \(\alpha \)-hydrogen
- (d)
aldehydes having no \(\alpha \)-hydrogen
Which of the following compound is most reactive towards nucleophilic addition reactions?
- (a)
- (b)
- (c)
- (d)
Identify the end product in the following sequence of reactions
\(CaC_2 \overset { H_2O }{ \rightarrow } A\overset { Hg^{2+}H_2SO_4 }{ \rightarrow } B\overset { [O]}{ \rightarrow } C\overset { Ca(OH)_2}{ \rightarrow } D\overset { \Delta }{ \rightarrow } E\)
- (a)
acetaldehyde
- (b)
formaldehyde
- (c)
acetone
- (d)
acetic acid
In Rosenmund reduction,
\(RCOCl + H_2 \overset {Pd/BaSO_4 }{ \rightarrow } RCHO + HCl\)
BaSO4 here,
- (a)
promotes catalytic activity of Pd
- (b)
removes HCl formed in the reaction
- (c)
deactivates palladium
- (d)
activates palladium
Which of the following on heating with aqueous KOH, produces acetaldehyde?
- (a)
CH3COCl
- (b)
CH3CH2Cl
- (c)
CH2ClCH2Cl
- (d)
CH3CHCl2