ald and ket

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    1. Which of the following is 3-ethyl-2-hexanone?

    a. A

    b. B

    c. C

    *d. D

    2. What is the hybridiation of the carbon ato! in a carbonyl gro"#?

    a. 2#

    b. s#

    *c. s#2

    d. s#3

    3. Which of the following is an acce#table na!e for the co!#o"nd shown

    below?

    *a. ortho-!ethoxybenaldehyde

    b. ortho-!ethoxyaceto#henone

    c. ortho-for!ylanisole

    d. ortho-!ethylaceto#henone

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    $. What is the na!e of the following co!#o"nd?

    a. 3-tert-b"tylhe#tanal

    b. 2-iso#ro#ylhe#tanal

    *c. 3-iso#ro#ylhe#tanal

    d. 3-b"tyl-$-!ethyl#entanal

    %. Which of the following is a he!iacetal?

    a. A

    *b. B

    c. C

    d. D

    &. Which of the following is an acetal?

    a. A

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    b. B

    c. C

    *d. D

    '. What is the ()AC na!e of the following co!#o"nd?

    a. 3-!ethyl-%-he#tanone

    b. %-ethyl-3-hexanone

    *c. %-!ethyl-3-he#tanone

    d. 2-ethyl-$-hexanone

    +. (dentify the correct ()AC na!e of the co!#o"nd below.

    a. $-benyl-%-!ethylhexanal

    b. %-iso#ro#yl-%-#henylb"tanal

    c. 2-!ethyl-3-#henylhexanal

    *d. %-!ethyl-$-#henylhexanal

    ,. Which of the following is an acce#table ()AC na!e for the co!#o"nd

    below?

    a. o-bro!o-m-chlorobenaldehyde

    b. &-bro!o-3-chlorobenaldehyde

    *c. 2-bro!o-%-chlorobenaldehyde

    d. 1-bro!o-$-chlorobenaldehyde

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    1. Which of the following has the largest e/for the for!ation of the

    hydrate 0as shown below?

    a. A

    b. B

    c. C

    *d. D

    11. he carbon-oxygen bond of an aldehyde is for!ed by o4erla# of

    which two orbitals?

    a. s#-s#

    b. s#2-s#2

    c. s#2-2#

    *d. 2#-2#

    12. Which of the reagents below will oxidie a secondary alcohol to a

    5etone?

    a. 6iAl7$

    b. 7(8$

    *c. 2Cr28'9 72:8$;728

    d. 7g:8

    $

    9 7

    2

    :8

    $

    ;7

    2

    8

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    13. (dentify the reagents needed to carry o"t the following con4ersion.

    a. 72;6indlar d followed by 72:8$;728

    b. 83followed by 728

    *c. 7289 7g:8$;72:8$

    d. 6iA17$followed by 728

    1$. Which one of the following wor5s best as the reaction ste#s to

    carry o"t the con4ersion below?

    a. A

    *b. B

    c. C

    d. D

    1%. Which of the following reagents wo"ld carry o"t the isoto#ic

    s"bstit"tion reaction shown below?

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    a. 1+82;

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    b. B

    c. C

    d. D

    1+. he co!#o"nd shown below is the he!iacetal for!ed between

    *a. #ro#anal and 2-#ro#anol.

    b. 2-!ethyl#ro#anal and ethanol.

    c. acetone and 1-#ro#anol.

    d. ethanal and 2-!ethyl-1-#ro#anol.

    1,. What is the #rod"ct of the reaction of b"tanal with excess !ethanol

    and catalytic s"lf"ric acid?

    a. A

    b. B

    c. C

    *d. D

    2. (dentify the #rod"cts of the hydrolysis of the following co!#o"nd.

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    *a. A

    b. B

    c. C

    d. D

    21. Which one of the following is not an inter!ediate in the acid-

    catalyed reaction of benaldehyde with 2 e/"i4alents of !ethanol to

    gi4e benaldehyde di!ethyl acetal?

    a. (

    *b. ((

    c. (((

    d. (=

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    22. he co!#o"nd shown below is the cyclic he!iacetal of

    a. %-hydroxyhe#tanal.

    *b. %-hydroxy-2-he#tanone.

    c. &-hydroxy-3-he#tanone.

    d. &-hydroxyhe#tanal.

    23. What is the #rod"ct of the reaction shown?

    *a. A

    b. B

    c. C

    d. D

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    2$. Acid-catalyed hydrolysis of the cyclic acetal below gi4es

    a. ethanal and 2-chlorocyclohexanol.

    b. 192-ethanediol and 2-chlorocyclohexanol.

    c. ethanol and 2-chlorocyclohexanol.

    *d. 192-ethanediol and 2-chlorocyclohexanone.

    2%. What are the #rod"cts of the following reaction?

    a. cyclohexanone and ethanol

    b. cyclohexanone and ethanal

    *c. 192-cyclohexanediol and ethanal

    d. 192-cyclohexanediol and ethanol

    2&. he acid-catalyed reaction of #ro#anal with 2 e/"i4alents of

    !ethanol for!s an acetal. his can !echanistically be tho"ght of as

    *a. an addition reaction followed by a s"bstit"tion reaction.

    b. a s"bstit"tion reaction followed by an addition reaction.

    c. an eli!ination reaction followed by a s"bstit"tion reaction.

    d. an addition reaction followed by an eli!ination reaction.

    2'. Which one of the following gi4es ethanal9 C73C7>89 0as one of two

    #rod"cts when added to an a/"eo"s sol"tion of 7Cl?

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    a. A

    b. B

    *c. C

    d. D

    2+. Which synthetic !ethod below correctly does the following

    con4ersion?

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    a. A

    b. B

    *c. C

    d. D

    2,. What is the #rod"ct of the reaction below?

    *a. 2-!ethyl-1-#entene

    b. 2-!ethyl-2-#ro#yloxirane

    c. $-!ethyl-1-#entene

    d. 1-#entene

    3. Do!iodol9 shown below9 is "sed !edicinally as a !"colytic agent.

    What are the acid-catalyed hydrolysis #rod"cts of Do!iodol?

    *a. A

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    b. B

    c. C

    d. D

    31. Which of the following reacts with 0C73C722

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    a. A

    b. B

    c. C

    *d. D

    33. Baeyer-=illiger oxidation reactions can "se #eroxycarboxylic acids

    to con4ert 5etones to

    a. carboxylic acids.

    *b. esters.

    c. e#oxides.

    d. -hydroxy 5etones.

    3$. (dentify the !issing reagent for the reaction below.

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    *a. A

    b. B

    c. C

    d. D

    3%. What is the #rod"ct of the following Baeyer-=illiger oxidation

    reaction?

    a. A

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    *b. B

    c. C

    d. D

    3&. Which of the following is the #rod"ct of the reaction between

    acetone9 C73C8C739 and !ethyla!ine9 C73

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    3,. Which of the following !ethods can be "sed to synthesie 2-!ethyl-

    1-hexene9 shown below9 with no for!ation of iso!eric by-#rod"cts?

    a. A

    b. B

    c. C

    *d. D

    $. Which of the following is the best !ethod to synthesie 2-!ethyl-2-

    #entene9 shown below9 with little or no by-#rod"ct for!ation?

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    a. A

    b. B

    *c. C

    d. D

    $1. What is the #rod"ct of the reaction se/"ence below?

    a. 2-!ethyl-1-hexene

    b. 293-di!ethyl-2-#entene

    c. 2-!ethyl-2-hexene

    *d. 3-!ethyl-1-hexene

    $2. What is the #rod"ct of the reaction shown below?

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    a. A

    b. B

    c. C

    *d. D

    $3. What #rod"ct wo"ld be ex#ected in this reaction?

    a. A

    b. B

    c. C

    *d. D

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    $$. (n what !a@or for! wo"ld this diol-aldehyde exist?

    a. A

    b. B

    *c. Cd. D

    $%. (n a/"eo"s acid9 only 1' of the aldehyde at right is #resent as

    shown9 along with 2 of the enol. What s#ecies acco"nts for +1 of the

    !aterial?

    a. the enol

    b. the enolate

    c. the aldehyde

    *d. the hydrate

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    $&. rior to 1,%9 !any h"ndreds of 5etones were reacted with 29$-

    dinitro#henylhydraine and hydroxyla!ine beca"se

    a. it hel#ed get the 5etones #"re

    b. it !ade

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    $,. At abo"t what ( fre/"ency is the C>8 gro"# ty#ically fo"nd?

    a. 1&$ c!-1

    *b. 1'2 c!-1

    c. 22$ c!-1

    d. 3$ c!-1