Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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Question
Answer Q48, 49, 50
![liberate HCI gas. On warming Y with acidified
KCrOr solution, an organic compound Z is
carbon and 3 45% hydrogen on analysis. What is
the molar fonmula of the compound? (Relative
atomic mass C-12.0, O-16.0, H-10)
(A CH.O [B] CHO.
(CICHO. [D] CaHO
What would be the hydrocarbon C,H, in
obtained.
gives
a precipitate
with
2,4-dinitrophenylhhydrazine reactant but does
not reduce Fehling's solution. What is the
structural formula of Y?
[A]. CH;CH2-CH(OH)CH.
[B]
[C). (CH;);C-OH
44
the following reactions:
CH, + 5022)
(A] Ethene [B] Butane
[C] Prapane [D] Propene
45 Select the reagent suitable for the
following conversion
C,H&NO,CH, NH,
[AJ CI/P
[C) Sn/HCI [D] Bry/KOH
46 Tle cuIrect order of relative sirength on
acid is
[A CH.OH < Call.O1<CH.CoOn -
CH.COOH
IB). HCOOH <CH,CH COOH
CIHACOOT CHCOOLH CILCICOO
[C) CH:ICOOH <CH:COOH
<CH:CICOOH <CH;FCOOH
[D] I1,0 <C:H.OH <CHsCOOH
<CI,COOil
Which of the following compounds give
a yellow precipitate when treated with a solution
of iodine in alkali and gives a silver mirror with
ammoniacal silver nitrate solution?
JAJ CH,CHOH [B] CH.COCH
(C| CICOOH DICH CHO
An organic compound Y. ol molecular
formula CaHjo0 reacts, vigorously with PCI. to
3C0() + 4H,0)
CH-CH2-CH;OH
[D]. CH,-CH2-C-CH3
In the Friedel-crafte acylation of an
49
[B] LIAIIL/ether
aromatic ring, what is the role of aluminium
chloride
(A).
[B).
[C).
Chlorinate the aromatic ring
Forms a lewis base
Forms a CH C* = 0
Withdraw clectrons from the aromatic
ring
Arrange the following compounds in
50
order of increase base strength (the weakest base
first)
JAJ CHCH;NH,<ClI-NH
CH CONH<NH,
[B] NH)<
<CHCH NH:
IC). CH:CONH, C.HNH:<NH
CI.CH.NH
IDI CH:CH NII
CLCONIIS
47
CH,CONH
CalNIH
CHNH
48](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2F6a2bd2a0-982f-4c9f-a513-f5b3e0780186%2Fqbpn9pf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:liberate HCI gas. On warming Y with acidified
KCrOr solution, an organic compound Z is
carbon and 3 45% hydrogen on analysis. What is
the molar fonmula of the compound? (Relative
atomic mass C-12.0, O-16.0, H-10)
(A CH.O [B] CHO.
(CICHO. [D] CaHO
What would be the hydrocarbon C,H, in
obtained.
gives
a precipitate
with
2,4-dinitrophenylhhydrazine reactant but does
not reduce Fehling's solution. What is the
structural formula of Y?
[A]. CH;CH2-CH(OH)CH.
[B]
[C). (CH;);C-OH
44
the following reactions:
CH, + 5022)
(A] Ethene [B] Butane
[C] Prapane [D] Propene
45 Select the reagent suitable for the
following conversion
C,H&NO,CH, NH,
[AJ CI/P
[C) Sn/HCI [D] Bry/KOH
46 Tle cuIrect order of relative sirength on
acid is
[A CH.OH < Call.O1<CH.CoOn -
CH.COOH
IB). HCOOH <CH,CH COOH
CIHACOOT CHCOOLH CILCICOO
[C) CH:ICOOH <CH:COOH
<CH:CICOOH <CH;FCOOH
[D] I1,0 <C:H.OH <CHsCOOH
<CI,COOil
Which of the following compounds give
a yellow precipitate when treated with a solution
of iodine in alkali and gives a silver mirror with
ammoniacal silver nitrate solution?
JAJ CH,CHOH [B] CH.COCH
(C| CICOOH DICH CHO
An organic compound Y. ol molecular
formula CaHjo0 reacts, vigorously with PCI. to
3C0() + 4H,0)
CH-CH2-CH;OH
[D]. CH,-CH2-C-CH3
In the Friedel-crafte acylation of an
49
[B] LIAIIL/ether
aromatic ring, what is the role of aluminium
chloride
(A).
[B).
[C).
Chlorinate the aromatic ring
Forms a lewis base
Forms a CH C* = 0
Withdraw clectrons from the aromatic
ring
Arrange the following compounds in
50
order of increase base strength (the weakest base
first)
JAJ CHCH;NH,<ClI-NH
CH CONH<NH,
[B] NH)<
<CHCH NH:
IC). CH:CONH, C.HNH:<NH
CI.CH.NH
IDI CH:CH NII
CLCONIIS
47
CH,CONH
CalNIH
CHNH
48
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