(C) Sn/HCI (D] Bry/KOH 46 The correct order of reiaive strength or acid is JA) CH.OH < Call.O1

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Answer Q46, 47, 48

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
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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