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Key to the usefulness of PCC/CH2Cl2 as a selective oxidant for the production of aldehydes from 1 ∘\circ alcohols is ___.

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the inability to for...

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What would be the product,A,of the following reaction sequence? What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D


A) CH3CH2CH2CH3
B) What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D
C) What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D
D) CH3CH2CH2CH2OD
E) CH3CH2CH2CH2D

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What would be the product,A,of the following reaction sequence? What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D


A) CH3CH2CH2CH3
B) What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D
C) What would be the product,A,of the following reaction sequence?   A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B)    C)    D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OD E) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>D
D) CH3CH2CH2CH2OD
E) CH3CH2CH2CH2D

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Which of the reagents listed below would efficiently accomplish the transformation of 2-methyl-3-cyclopentenol into 2-methyl-3-cyclopentenone? Which of the reagents listed below would efficiently accomplish the transformation of 2-methyl-3-cyclopentenol into 2-methyl-3-cyclopentenone?   A) KMnO<sub>4</sub>(aq,alkaline)  B) CrO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub> C) H<sub>2</sub>,Pt D) Br<sub>2</sub>,CCl<sub>4</sub> E) Two of these choices.


A) KMnO4(aq,alkaline)
B) CrO3/H2SO4
C) H2,Pt
D) Br2,CCl4
E) Two of these choices.

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Which of the reagents listed below would serve as the basis for a simple chemical test to distinguish between (CH3) 3COH and (CH3) 2CHCH2OH?


A) NaH
B) NaOH/H2O
C) Br2 in CCl4
D) Cold conc.H2SO4
E) Jones reagent

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Which product is formed from the following transformation: Which product is formed from the following transformation:   A)    B)    C)    D)    E) None of these choices.


A)
Which product is formed from the following transformation:   A)    B)    C)    D)    E) None of these choices.
B)
Which product is formed from the following transformation:   A)    B)    C)    D)    E) None of these choices.
C)
Which product is formed from the following transformation:   A)    B)    C)    D)    E) None of these choices.
D)
Which product is formed from the following transformation:   A)    B)    C)    D)    E) None of these choices.
E) None of these choices.

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Which of the reagents/techniques listed below would serve as the basis for a simple chemical test to distinguish between CH3CH2CH=CHCH2CH2CHO and CH3CH2CH=CHCH2CH2CH2OH?


A) KMnO4
B) IR spectroscopy
C) Br2 in CCl4
D) Two of these choices.
E) All of these choices.

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Suggest a reasonable synthetic strategy for the synthesis of 4-methyl-1,4-pentanediol from 4-hydroxybutanone HOCH2CH2CH2COCH3.

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Predict the product(s) of the following reaction sequence: Predict the product(s) of the following reaction sequence:   A) A mixture of I and II B) A mixture of I and III C) A mixture of II and III D) A mixture of II and IV E) A mixture of III and IV


A) A mixture of I and II
B) A mixture of I and III
C) A mixture of II and III
D) A mixture of II and IV
E) A mixture of III and IV

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Which of these compounds cannot be reduced by sodium borohydride?


A) Which of these compounds cannot be reduced by sodium borohydride? A)    B)    C)    D)    E) Two of these choices cannot be reduced.
B) Which of these compounds cannot be reduced by sodium borohydride? A)    B)    C)    D)    E) Two of these choices cannot be reduced.
C) Which of these compounds cannot be reduced by sodium borohydride? A)    B)    C)    D)    E) Two of these choices cannot be reduced.
D) Which of these compounds cannot be reduced by sodium borohydride? A)    B)    C)    D)    E) Two of these choices cannot be reduced.
E) Two of these choices cannot be reduced.

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What is the product,A,that would be obtained from the following reaction sequence? What is the product,A,that would be obtained from the following reaction sequence?   A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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What is the product,A,that would be obtained from the following reaction sequence? What is the product,A,that would be obtained from the following reaction sequence?   A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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What would be the final product,D,in the following reaction sequence? What would be the final product,D,in the following reaction sequence?   A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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Complete the following reaction sequence,giving structural details of all key intermediates. Bromocyclohexane →\to i)Li ii)CuI iii)4-methyl-1-bromohexane

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Predict the product(s)of the following reaction sequence: Predict the product(s)of the following reaction sequence:

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The final product,E,in the following reaction sequence is, The final product,E,in the following reaction sequence is,     A) I B) II C) III D) IV E) V The final product,E,in the following reaction sequence is,     A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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Predict the product(s) of the following reaction: Predict the product(s) of the following reaction:   A) A mixture of I and II B) A mixture of I and III C) A mixture of II and III D) A mixture of II and IV E) A mixture of III and IV


A) A mixture of I and II
B) A mixture of I and III
C) A mixture of II and III
D) A mixture of II and IV
E) A mixture of III and IV

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Consider the molecule Consider the molecule   Which reagent will not give a positive test with this compound? A) Cold conc.H<sub>2</sub>SO<sub>4</sub> B) Br<sub>2</sub>/CCl<sub>4</sub> C) NaOH(aq)  D) CrO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub> E) Dilute KMnO<sub>4</sub>/H<sub>2</sub>O Which reagent will not give a positive test with this compound?


A) Cold conc.H2SO4
B) Br2/CCl4
C) NaOH(aq)
D) CrO3/H2SO4
E) Dilute KMnO4/H2O

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Reaction of excess methyllithium with ethyl acetate (CH3CO2C2H5)produces,after acid work-up,___.

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t-butyl al...

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A solution of CrO3 or Na2Cr2O7 in aqueous sulfuric acid is called the ___.

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