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Title: Carbonyl Compounds Objective type Questions and Answers
Description: In natural science, carbonyl mixtures are a practical gathering comprising of a carbon molecule with a twofold cling to an oxygen particle. A wide range of sorts of carbonyl mixtures are available in nature. They all contain an acyl bunch (R-C=O) with one more substituent joined to it. The R some portion of the construction can be any alkyl, alkenyl, or alkynyl, or have other utilitarian gatherings appended to it. Attached to the opposite side of the acyl bunch is either hydrogen, carbon, oxygen, nitrogen, sulfur, or a halogen. Contingent upon the different substituents appended to the acyl bunch, various kinds of mixtures can be shaped.
Description: In natural science, carbonyl mixtures are a practical gathering comprising of a carbon molecule with a twofold cling to an oxygen particle. A wide range of sorts of carbonyl mixtures are available in nature. They all contain an acyl bunch (R-C=O) with one more substituent joined to it. The R some portion of the construction can be any alkyl, alkenyl, or alkynyl, or have other utilitarian gatherings appended to it. Attached to the opposite side of the acyl bunch is either hydrogen, carbon, oxygen, nitrogen, sulfur, or a halogen. Contingent upon the different substituents appended to the acyl bunch, various kinds of mixtures can be shaped.
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Chemistry
Carbonyl Compounds
1
...
3
...
Aldehydes and ketones contain the group ___________
H
(a)
C=O
OH
|
(c) – C = O
4
...
Which is not a simple ketone?
(a)
CH3 – CO – CH3
(b)
CH3 – CH2 – CO – CH2 – CH3
CH3
(c)
CH3 – CO – CH2 – CH3
(d)
O
CH3
CH – C – CH
CH3
H3C
6
...
an alkyl group,
(a)
(c)
2
...
a hydrogen atom
...
Aldehydes and ketones have similar chemical properties because they contain
__________
(a) alkyl group
(b) hydrogen atom
(c) carbonyl group
(d) both hydrogen atom and carbonyl
group
...
Which following pair does not represent an aldehyde?
(a)
(c)
9
...
CH3 – CHO and CH3 – CH2 – CHO
CH3 – CHO and CH3 – CO – CH3
CH3 – CHO
CH3 – COCH3
The IUPAC name for CH3 – CH2 – CHO is ___________
(a)
(c)
ethanol
propanal
(b)
(d)
propanol
propane aldehyde
11
...
formaldehyde and methanal
acetaldehyde and ethanal
1
4
(b)
(d)
2
2
The common name for pentan – 2 – one is _______________
(a)
(c)
14
...
acetaldehyde and methanal
formaldehyde and ethanal
dimethyl ketone
ethyl methyl ketone
(b)
(d)
diethyl ketone
methyl – n – propyl ketone
For butanone, the formula and the common name is ______________
(a)
(b)
(c)
CH3 CO CH2 CH3, ethyl methyl ketone
CH3 CO CH3, dimethyl ketone
CH3 CH2 CH2 CH3; butane
(d)
CH3 – CO CH
CH3
; methyl isopropyl ketone
CH3
15
...
The long chain carboxylic acids are known as ___________
(a)
(c)
17
...
Which one of the following is obtained by the hydrolysis of animal fats?
(a)
(c)
formic acid
vinegar
(b)
(d)
acetic acid
palmitic acid
18
...
The carboxylic acid present in ants and in vinegar are respectively _______
(a)
(c)
20
...
A is _____________
HCl
Cl2
(b)
(d)
SOCl2
HCl + Cl2
Ethyl acetate is formed by the action of _______________
(a)
(c)
24
...
CH3COOH
(a)
(c)
23
...
acetic acid and formic acid
formic acid and butyric acid
Methanoic acid is ___________
(a)
(b)
(c)
(d)
21
...
Which of the following is a decarboxylation reaction?
(a)
(b)
CH3 COOH + NaOH
CH3 COOH + C2H5OH
(c)
CH3 COONa + NaOH
(d)
CH3 COOH + NH3
CH3 COONa + H2O
CH3 COO C2 H5 + H2O
CaO
CH4 + Na2 CO3
CH3 COO NH4
25
...
10%
4%
(b)
(d)
0
...
(a)
(c)
32
...
(b)
(d)
Pure anhydrous acetic acid is known as __________
(a)
(c)
30
...
Methanol
Acetaldehyde
_________ percentage composition of acetic acid is called vinegar
...
(b)
(d)
Formic acid is present in __________
(a)
(c)
27
...
(a)
(c)
Vinegar
White lead
(b)
(d)
Formic acid
Paris green
33
...
(a)
(c)
34
...
(a)
(c)
Vinegar
Paris Green
(b)
(d)
Cellulose ethanoate
None
Title: Carbonyl Compounds Objective type Questions and Answers
Description: In natural science, carbonyl mixtures are a practical gathering comprising of a carbon molecule with a twofold cling to an oxygen particle. A wide range of sorts of carbonyl mixtures are available in nature. They all contain an acyl bunch (R-C=O) with one more substituent joined to it. The R some portion of the construction can be any alkyl, alkenyl, or alkynyl, or have other utilitarian gatherings appended to it. Attached to the opposite side of the acyl bunch is either hydrogen, carbon, oxygen, nitrogen, sulfur, or a halogen. Contingent upon the different substituents appended to the acyl bunch, various kinds of mixtures can be shaped.
Description: In natural science, carbonyl mixtures are a practical gathering comprising of a carbon molecule with a twofold cling to an oxygen particle. A wide range of sorts of carbonyl mixtures are available in nature. They all contain an acyl bunch (R-C=O) with one more substituent joined to it. The R some portion of the construction can be any alkyl, alkenyl, or alkynyl, or have other utilitarian gatherings appended to it. Attached to the opposite side of the acyl bunch is either hydrogen, carbon, oxygen, nitrogen, sulfur, or a halogen. Contingent upon the different substituents appended to the acyl bunch, various kinds of mixtures can be shaped.