Exercises
1. Answer the following:
A. Write condensed formulae and bond line
formulae for the following structures.
Η Η Η Η
a. H - C-C-C-C-H
H H H H
F. Find out all the functional groups present in
the following polyfunctional compounds.
Dopamine a neurotransmitter that is
deficient in Parkinson's disease.
HO
a.
HO
Η Η
b. N=C-C-C-C=N
Η Η
Oo
-CH-CH2 - CH2
b. Thyroxine the principal thyroid hormone.
HO
-CH - CH - COOH
HHH
c. H-C-¢-C-
OH
H H H
B. Write dash formulae for the following
bond line formulae.
I
NH,
i
c. Penicillin G a naturally occuring antibiotic
CH, - C - NH,
CH,
CH,
COOH
b.
c.
d.
OH
C. Write bond line formulae and condensed
formulae for the following compounds
a. 3-methyloctane b. hept-2-ene
c. 2, 2, 4, 4- tetramethylpentane
d. octa-1,4-diene e. methoxyethane
D. Write the structural formulae for the
following names and also write correct
IUPAC names for them.
a. 5-ethyl-3-methylheptane
b. 2,4,5-trimethylthexane
c. 2,2,3-trimethylpentan-4-01
E. Identify more favourable
structure from the following. Justify.
eo
a. CH, - C - OH CH, - C = OH
b.
Oө
G. Find out the most stable species from the
following. Justify.
a. CH, CH - CH - CH, CHỞ - CH
CH,
b. EH, EH,Br, EBr
. EH, EH,CI, ECI,
H. Identify the a carbons in the following
species and give the total number of
a-hydrogen in each.
a. CH, - CH2 - CH - CH2 - CH,
b. HỌC - C - CH -CH,
resonance
AH
8-81
0
C. CH = CH - CH - CH,
CH, CH = CHCH, - CH = C-H
Answers
Answer:
. Answer the following:
A. Write condensed formulae and bond line
formulae for the following structures.
Η Η Η Η
a. H - C-C-C-C-H
H H H H
F. Find out all the functional groups present in
the following polyfunctional compounds.
Dopamine a neurotransmitter that is
deficient in Parkinson's disease.
HO
a.
HO
Η Η
b. N=C-C-C-C=N
Η Η
Oo
-CH-CH2 - CH2
b. Thyroxine the principal thyroid hormone.
HO
-CH - CH - COOH
HHH
c. H-C-¢-C-
OH
H H H
B. Write dash formulae for the following
bond line formulae.
I
NH,
i
c. Penicillin G a naturally occuring antibiotic
CH, - C - NH,
CH,
CH,
COOH
b.
c.
d.
OH
C. Write bond line formulae and condensed
formulae for the following compounds
a. 3-methyloctane b. hept-2-ene
c. 2, 2, 4, 4- tetramethylpentane
d. octa-1,4-diene e. methoxyethane
D. Write the structural formulae for the
following names and also write correct
IUPAC names for them.
a. 5-ethyl-3-methylheptane
b. 2,4,5-trimethylthexane
c. 2,2,3-trimethylpentan-4-01
E. Identify more favourable
structure from the following. Justify.
eo
a. CH, - C - OH CH, - C = OH
b.
Oө
G. Find out the most stable species from the
following. Justify.
a. CH, CH - CH - CH, CHỞ - CH
CH,
b. EH, EH,Br, EBr
. EH, EH,CI, ECI,
H. Identify the a carbons in the following
species and give the total number of
a-hydrogen in each.
a. CH, - CH2 - CH - CH2 - CH,
b. HỌC - C - CH -CH,
resonance
AH
8-81
0
C. CH = CH - CH - CH,
CH, CH = CHCH, - CH = C-H