The order of decreasing rectivity towards electrophilic reagent for the following: (a) Benzene (b) Toluene (d) Phenol (c) Chloro benzene (1) b>d>a>c (2) 4>c>b>a (3)d>b>a>c (4) a>b>c>d JAIPMT-2007]
The order of decreasing rectivity towards electrophilic reagent for the following: (a) Benzene (b) Toluene (d) Phenol (c) Chloro benzene (1) b>d>a>c (2) 4>c>b>a (3)d>b>a>c (4) a>b>c>d JAIPMT-2007]
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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![9.
The order of decreasing rectivity towards electrophilic reagent for the following:
(a) Benzene
(b) Toluene
(c) Chloro benzene
(d) Phenol
JAIPMT-2007]
(1) b>d>a>e (2) d>c>b>a (3) d>b>a>c (4) a>b>c>d.
10. The stability of carbanions in the following >
JAIPMT-2008]
(a) RC=8
(b)
(c) RC-CH
(d) RC-CH
is in the order of
(1) (d) > (b) > (c) >(a)
(2) (a) (c)(b) >(d)
(3) (a) (b) > (c) > (d)
(4) (b) > (c) > (d) >(a)
The state of hybridization of C, C₁, C, and C, of the hydrocarbon,
CH,
CH,
CH, C-CH-CH-CH CÁCH
CH,
is in the following sequence >
JAIPMT-2009]
(1) sp. sp. sp' and sp
(2) sp. sp', sp and sp
(3) sp, sp, sp and sp
(4) sp, sp, sp and sp
Which one of the following compounds has the most acidic nature ?
JAIPMT-2010]
CH,OH
OH
(1)
-OH
(2)
(3)
(4)
Given are cyclohexanol (1), acetic acid (11), 2, 4,6-trinitrophenol (III) and phenol (IV). In these
the order of decreasing acidic character will be
JAIPMT-2010
(1) > IV>II>I
(2) >> IV>
(4) || > | > IV>1
(3) || > | >1> IV
14. Among the following four compounds -
(a) phenol
JAIPMT (Main)-2010)
(d) paranitrophenol,
(b) methyl phenol
(c) metanitrophenol
The acidity order is:
(1)e>d>a>b (2) c>d>c>b
(3) b>a>c>d
(4) d>c>a>b
15. The correct order of pka is -
JAIIMS 2010
(1) CH₂COOH
(II) CHÍCH CO
(III) C,H,CH,COOH
(IV) CH,-C-CH₂-COOH
0
(1) IV>II>II>1 (2) > IV>II>I (3) IV>II>>1 (4) 11>1>> IV
II.
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Transcribed Image Text:9.
The order of decreasing rectivity towards electrophilic reagent for the following:
(a) Benzene
(b) Toluene
(c) Chloro benzene
(d) Phenol
JAIPMT-2007]
(1) b>d>a>e (2) d>c>b>a (3) d>b>a>c (4) a>b>c>d.
10. The stability of carbanions in the following >
JAIPMT-2008]
(a) RC=8
(b)
(c) RC-CH
(d) RC-CH
is in the order of
(1) (d) > (b) > (c) >(a)
(2) (a) (c)(b) >(d)
(3) (a) (b) > (c) > (d)
(4) (b) > (c) > (d) >(a)
The state of hybridization of C, C₁, C, and C, of the hydrocarbon,
CH,
CH,
CH, C-CH-CH-CH CÁCH
CH,
is in the following sequence >
JAIPMT-2009]
(1) sp. sp. sp' and sp
(2) sp. sp', sp and sp
(3) sp, sp, sp and sp
(4) sp, sp, sp and sp
Which one of the following compounds has the most acidic nature ?
JAIPMT-2010]
CH,OH
OH
(1)
-OH
(2)
(3)
(4)
Given are cyclohexanol (1), acetic acid (11), 2, 4,6-trinitrophenol (III) and phenol (IV). In these
the order of decreasing acidic character will be
JAIPMT-2010
(1) > IV>II>I
(2) >> IV>
(4) || > | > IV>1
(3) || > | >1> IV
14. Among the following four compounds -
(a) phenol
JAIPMT (Main)-2010)
(d) paranitrophenol,
(b) methyl phenol
(c) metanitrophenol
The acidity order is:
(1)e>d>a>b (2) c>d>c>b
(3) b>a>c>d
(4) d>c>a>b
15. The correct order of pka is -
JAIIMS 2010
(1) CH₂COOH
(II) CHÍCH CO
(III) C,H,CH,COOH
(IV) CH,-C-CH₂-COOH
0
(1) IV>II>II>1 (2) > IV>II>I (3) IV>II>>1 (4) 11>1>> IV
II.
12.
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