20. The accepted conventional name for the compound CH, CH CH CHCI is CH, A. 1-chloro3-methyl but-2- ene B. 1-chloro -3-methyl but-1-ene C. 2-methyl -4- chloro but-3- ene D. 1,1, dimethyl -3- chloro prop-2- ene.

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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q20, 21, 22 and 23 explaining detailly your solution for each answer.

C) gives the hexabromocyclo benzene in
Ihe prosence of sunlight.
D) is slower than that of methylbenzene
carn
otions less readily than
with alkali
17 Which of the reagents stated below is most
suitable for the preparation of a pure
chloroalkanes form aikanols.
A) PCI
vith alkali
ene molecule is said to
ing further substituents
B) HCI C) SOCI, D) PCI,
n only
only
n only
(2- and 4-) positions
18 Which of the reagents A-D is NOT suitable
for proparing hato alkanes from alkanols.
A HF
B. SOCI, C.Pl,
D. PBr
19. Haloalkanos are altacked by
A. Electrophiles
B. Nucleophilas
C. Amixture of red phosphorus and iodine
None of ihe abouve
of A in the reaction
D.
20.
The accepted conventional name for the
compound
CH,
CH CH CHCI is
CH,
1- chloro -3-methyl but -2- ene
1- chloro -3-nethyl but-1-ene
C. 2- methyl -4- chloro but-3- ene
D.
A.
B.
organic product(s)
elow.
1,1, dimethyl-3- chloro prop-2- ene.
21. Halogenoalkanes
A. does not dissolve grease and oil.
are none polar molecules that dissolve
in organic solvent
C. are only slightly soluble in water.
D. have Van der Waals forces operating
B.
Br
between molecules.
22, The ease of breaking the R X bond
increases in the order
A. C-F>C-CI >C-Br> C-I
B. C-F<C-Cl < C-Br< C-I
C. C-F<C-1<C-Br< C-Cl
D. C-I>CF>C-CI>C- Br
Br
23. In the reactivity of halogenoalkanes
A. Substitution reactions are favoured by
weakly basic nucleophiles.
B. Elimination of HX molecules are
favoured by weakly basic reagents.
C. Elimination of HX molecules are
strongly favoured by low concentration
of base in an aqueous medium.
D. Substitution reactions are favoured by
strongly basic non-aqueous medium.
Luctural formula
benzene
cene
benzene
oro benzene
Transcribed Image Text:C) gives the hexabromocyclo benzene in Ihe prosence of sunlight. D) is slower than that of methylbenzene carn otions less readily than with alkali 17 Which of the reagents stated below is most suitable for the preparation of a pure chloroalkanes form aikanols. A) PCI vith alkali ene molecule is said to ing further substituents B) HCI C) SOCI, D) PCI, n only only n only (2- and 4-) positions 18 Which of the reagents A-D is NOT suitable for proparing hato alkanes from alkanols. A HF B. SOCI, C.Pl, D. PBr 19. Haloalkanos are altacked by A. Electrophiles B. Nucleophilas C. Amixture of red phosphorus and iodine None of ihe abouve of A in the reaction D. 20. The accepted conventional name for the compound CH, CH CH CHCI is CH, 1- chloro -3-methyl but -2- ene 1- chloro -3-nethyl but-1-ene C. 2- methyl -4- chloro but-3- ene D. A. B. organic product(s) elow. 1,1, dimethyl-3- chloro prop-2- ene. 21. Halogenoalkanes A. does not dissolve grease and oil. are none polar molecules that dissolve in organic solvent C. are only slightly soluble in water. D. have Van der Waals forces operating B. Br between molecules. 22, The ease of breaking the R X bond increases in the order A. C-F>C-CI >C-Br> C-I B. C-F<C-Cl < C-Br< C-I C. C-F<C-1<C-Br< C-Cl D. C-I>CF>C-CI>C- Br Br 23. In the reactivity of halogenoalkanes A. Substitution reactions are favoured by weakly basic nucleophiles. B. Elimination of HX molecules are favoured by weakly basic reagents. C. Elimination of HX molecules are strongly favoured by low concentration of base in an aqueous medium. D. Substitution reactions are favoured by strongly basic non-aqueous medium. Luctural formula benzene cene benzene oro benzene
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