Organic Chemistry Answers

how many moles of H2 are needed to completely hydrogenate 5 moles of a tryglyceride made of glycerol, and one unit of each lauric, oleic, and linoleic acids?

aldol condensation

Give the number of peaks in the 13CNMR spectroscopy of 1,2-Diethoxyethane

Question 16 : A functional group that introduces polarity leads to __________ in the molecule.
increase saturation point
Permanent dipole moment
increase melting point
increase boiling point

Question 17 : Among isomeric molecules, the linear isomer is ________.
Polar isomer
non-polar isomer
Unbranched isomer
Branched isomer

Question 18 : Aryl halides may be forced to react with nucleophiles under drastic conditions such as
low temperature
mild temperature
High temperature
either low or high temperature

Question 19 : All these affect boiling points except __________.
Molecular structure
Shape of molecule
London forces
Polarity

Question 20 : All these are electron donating groups with respect to reactivity and orientation EXCEPT _______

−
N
H
C
O
R
−NHCOR


−
C
N
−CN


−
O
H
−OH


−
O
R
−OR

Question 11 : A substance which ionises to produce hydroxide ions is called __________.
Salt
Base
Acid
None of the above

Question 12 : Alkyl halide reaction via E1 and E2 pathway yields _______.
Alkanols
Alkene
Alkyne
Alkane

Question 13 : A substance which ionises to produce hydroxide ions is called __________.
Base
Salt
None of the above
Acid

Question 14 : A chief source of benzene and its derivatives is __________.
Bitumen
Limestone
Coaltar
Basalt

Question 15 : A chief source of benzene and its derivatives is __________.
Bitumen
Basalt
Coaltar
Limestone

Question 6 : Alkyl, aryl, and alkenyl halides, when treated with metallic alloys form _______.
carbonyl compounds
carboxylic compounds
metallic compounds
organometallic compounds

Question 7 : All these qualifies a grignard reagent to be a highly reactive compound EXCEPT _________.
the carbon atom in it is strongly basic
the carbon atom in it is nucleophilic in nature
it follows SN_{2} pathway
Strongly polarized C-M bond

Question 8 : All these affect boiling points except __________.
Molecular structure
London forces
Shape of molecule
Polarity

Question 9 : Alkyl halides can be prepared from all these EXCEPT __________
Chloromethylation of benzene
Carboxylic acid
Aromatic Amines
grignard reagent

Question 10 : 2-methylpropane will have ________than butane.
lower saturation point
lower due point
lower melting point
lower boiling point

Question 1 : A benzene ring is a ________ system.
non conjugation
Hyperconjugation
Conjugation
None

Question 2 : A compound in which a halogen atom is attached to another carbon atom by a double bond is called -----.
Vinyl halide
Vicinal dihalides
Alkyl halide
Geminal dihalides

Question 3 : A benzenoid hydrocarbon in which two benzene rings are fused together at the ortho position is called ----------. <
Naphthalene
Anthracene
Biphenyl
Phenanthrene

Question 4 : _______is an example of Isolated Benzenoid Hydrocarbon.
Naphthalene
Phenanthrene
Biphenyl
Anthracene

Question 5 : Another name for methyl benzene is __________.
Toluene
Phenol
Naphthalene
Xylene

Question 16 : A benzene ring is a ________ system.
None
Conjugation
Hyperconjugation
non conjugation

Question 17 : Another name for methyl benzene is __________.
Phenol
Toluene
Xylene
Naphthalene

Question 18 : 2-methylpropane will have ________than butane.
lower due point
lower saturation point
lower boiling point
lower melting point

Question 19 : Chlorination of ethene at high temperature yields ---------.
Chloroethene
Chloroethyne
12-dichloroethene
13-dichloroethene

Question 20 : All these are electron donating groups with respect to reactivity and orientation EXCEPT _______

−
C
N
−CN


−
N
H
C
O
R
−NHCOR


−
O
R
−OR


−
O
H
−OH

Question 11 : In electrophilic addition to alkenes, the electrophilic attack is on ---------.
C-H bond
None of the above
C=C bond
H-H bond

Question 12 : A benzenoid hydrocarbon in which two benzene rings are fused together at the ortho position is called ----------. <
Naphthalene
Biphenyl
Anthracene
Phenanthrene

Question 13 : A substance which ionises to produce hydroxide ions is called __________.
Salt
Base
None of the above
Acid

Question 14 : Hydrogenation of benzene at higher temperature and under pressure yields -------
Benzaldehyde
Cyclohexyne
Cyclohexene
Cyclohexane

Question 15 : Among isomeric molecules, the linear isomer is ________.
Polar isomer
non-polar isomer
Unbranched isomer
Branched isomer

Question 6 : A functional group that introduces polarity leads to __________ in the molecule.
increase melting point
increase boiling point
increase saturation point
Permanent dipole moment

Question 7 : A chief source of benzene and its derivatives is __________.
Basalt
Limestone
Coaltar
Bitumen

Question 8 : A substance which ionises to produce hydroxide ions is called __________.
Base
None of the above
Salt
Acid

Question 9 : All these affect boiling points except __________.
Shape of molecule
London forces
Polarity
Molecular structure

Question 10 : A chief source of benzene and its derivatives is __________.
Bitumen
Coaltar
Limestone
Basalt