CHEMISTRY
DPP
DROOM PRACTICE PROBLEMS
IUPAC NOMENCLATURE NO. 01
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1. The hybrid state of C–atoms which are attached to single bond with each other in the
following structure are:
CH2=CH–CCH
2
(1) sp , sp (2) sp3, sp (3) sp2, sp2 (4) sp2, sp3
2. In compound HCC–CH2–CH=CH–CH3, the C2–C3 bond is the type of :-
(1) sp – sp2 (2) sp3 – sp3 (3) sp – sp3 (4) sp2 – sp2
3. In the hydrocarbon
CH3 – CH = CH – CH2 – C CH
6 5 4 3 2 1
The state of hybridization of carbons 1, 3 and 5 are in the following sequence :-
(1) sp, sp2, sp3 (2) sp3, sp2, sp (3) sp2, sp, sp3 (4) sp, sp3, sp2
4. Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left
to right atoms?
(1) HCC–CCH (2) CH2=CH–CCH
(3) CH2=CH–CH=CH2 (4) CH3–CH=CH–CH3
5. Which is the correct representation of 1-chlorobut-2-ene?
(1) (2) Cl
Cl
Cl
(3) (4)
Cl
6. Indicate the IUPAC name of the compound shown below :
F
(1) 2-[1-fluoroethyl]pent-1-ene (2) 3-fluoro-2-propylbut-1-ene
(3) 2-fluoro-3-propylbut-3-ene (4) 2-fluoro-3-methylidenehexane
, 7. What is the IUPAC name of the compound shown below ?
(1) 5-ethyl-1-methyl cyclohexene (2) 1-methyl-3-ethyl cyclohexene
(3) 3-ethyl-1-methyl cyclohexene (4) 2-ethyl-4-methyl cyclohexene
8. Indicate the IUPAC name of the compound.
OH
NH2
(1) 2-amino cyclohexanol (2) 2-amino cyclohex-4-enol
(3) 6-amino cyclohex-3-enol (4) 2-hydroxy cyclohex-4-enamine
C2H5
9. What is the correct IUPAC name of the following compound?
CH3
(1) 1-ethyl-6-methylcyclohexene (2) 1-ethyl-3-methylcyclohex-2-ene
(3) 6-ethyl-1-methylcyclohexene (4) 1-methyl-6-ethylcyclohexene
O
||
10. CH3 – CH2–CH–C—OCH3
|
C2H5
(1) Methyl 2-ethylbutanoate (2) 1-methoxy-2-ethylbutanone
(3) 3-Methoxycarbonylpentane (4) 1-methoxy-2-ethylbutanal
Br Cl
| |
11. CH3 — CH2 — C — CH — CH2 — Cl
|
OH
(1) 3-Bromo-4, 5-dichloropentan-3-ol
(2) 3-Bromo-1, 2-dichloro-3-hydroxypentane
(3) 3-Bromo-1, 2-dichloropentan-3-ol
(4) 3-Bromo-4, 5-dichloro-3-hydroxypentane
CH3
|
12. CH2 = C — COOCH3
(1) Methyl-2-methylprop-1-en-3-oate (2) 2-Methoxycarbonylpropene
(3) 2-Methoxycarbonylprop-2-ene (4) Methyl-2-methylprop-2-enoate
DPP
DROOM PRACTICE PROBLEMS
IUPAC NOMENCLATURE NO. 01
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1. The hybrid state of C–atoms which are attached to single bond with each other in the
following structure are:
CH2=CH–CCH
2
(1) sp , sp (2) sp3, sp (3) sp2, sp2 (4) sp2, sp3
2. In compound HCC–CH2–CH=CH–CH3, the C2–C3 bond is the type of :-
(1) sp – sp2 (2) sp3 – sp3 (3) sp – sp3 (4) sp2 – sp2
3. In the hydrocarbon
CH3 – CH = CH – CH2 – C CH
6 5 4 3 2 1
The state of hybridization of carbons 1, 3 and 5 are in the following sequence :-
(1) sp, sp2, sp3 (2) sp3, sp2, sp (3) sp2, sp, sp3 (4) sp, sp3, sp2
4. Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left
to right atoms?
(1) HCC–CCH (2) CH2=CH–CCH
(3) CH2=CH–CH=CH2 (4) CH3–CH=CH–CH3
5. Which is the correct representation of 1-chlorobut-2-ene?
(1) (2) Cl
Cl
Cl
(3) (4)
Cl
6. Indicate the IUPAC name of the compound shown below :
F
(1) 2-[1-fluoroethyl]pent-1-ene (2) 3-fluoro-2-propylbut-1-ene
(3) 2-fluoro-3-propylbut-3-ene (4) 2-fluoro-3-methylidenehexane
, 7. What is the IUPAC name of the compound shown below ?
(1) 5-ethyl-1-methyl cyclohexene (2) 1-methyl-3-ethyl cyclohexene
(3) 3-ethyl-1-methyl cyclohexene (4) 2-ethyl-4-methyl cyclohexene
8. Indicate the IUPAC name of the compound.
OH
NH2
(1) 2-amino cyclohexanol (2) 2-amino cyclohex-4-enol
(3) 6-amino cyclohex-3-enol (4) 2-hydroxy cyclohex-4-enamine
C2H5
9. What is the correct IUPAC name of the following compound?
CH3
(1) 1-ethyl-6-methylcyclohexene (2) 1-ethyl-3-methylcyclohex-2-ene
(3) 6-ethyl-1-methylcyclohexene (4) 1-methyl-6-ethylcyclohexene
O
||
10. CH3 – CH2–CH–C—OCH3
|
C2H5
(1) Methyl 2-ethylbutanoate (2) 1-methoxy-2-ethylbutanone
(3) 3-Methoxycarbonylpentane (4) 1-methoxy-2-ethylbutanal
Br Cl
| |
11. CH3 — CH2 — C — CH — CH2 — Cl
|
OH
(1) 3-Bromo-4, 5-dichloropentan-3-ol
(2) 3-Bromo-1, 2-dichloro-3-hydroxypentane
(3) 3-Bromo-1, 2-dichloropentan-3-ol
(4) 3-Bromo-4, 5-dichloro-3-hydroxypentane
CH3
|
12. CH2 = C — COOCH3
(1) Methyl-2-methylprop-1-en-3-oate (2) 2-Methoxycarbonylpropene
(3) 2-Methoxycarbonylprop-2-ene (4) Methyl-2-methylprop-2-enoate
