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Chapter 12: PROBLEM 12.32 (page 487)

Question: Label each reaction as oxidation, reduction, or neither.

a.

b.

c.

d.

Short Answer

Expert verified

Answer

a. Reduction

b. Oxidation

c. Oxidation

d. Neither

Step by step solution

01

Reduction and oxidation

In general, oxidation involves the loss of electrons from a system or an atom, and reduction is the gain of electrons. In the case of organic chemistry, oxidation is the process where a carbon engages in bond formation with more electronegative elements (oxygen), and reduction is when it bonds with less electronegative elements (hydrogen).

02

Determination of oxidation or reduction reaction

a. Here, a decrease in the C-O bond is observed, and an increase in the C-H bond takes place. Thus, the given reaction is a reduction reaction.

Reduction reaction

b. As more bonds are formed with the electronegative oxygen atom, the reaction is an oxidation reaction.

Oxidation reaction

c. In this case too, oxidation occurs as more bonds are formed with the electronegative oxygen.

Oxidation reaction

d.The given reaction cannot be classified as oxidation or reduction. This is an example of a hydrogenation reaction.

Hydrogenation reaction

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Most popular questions from this chapter

Question: Draw the products formed in each oxidative cleavage.

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Question: Draw a stepwise mechanism for the following reaction.

Question: What product is formed when CH3OCH2CH2C鈮�CCH2CHCH32 is treated with each reagent: (a) H2 (excess), Pd-C; ; (b) H2(1 equiv), Lindlar catalyst; (c) H2(excess), Lindlar catalyst; (d) Na,NH3 ?

Draw the organic products formed when cyclopentene is treated with each reagent. With some reagents, no reaction occurs.

a. H2+Pd-C

b. H2+ Lindlar catalyst

c. Na ,NH3

d. CH3CO3H

e. [1]. CH3CO3H [2] H2O ,OH-

f. [1] OSO4+NMO [2] NaHSO3, H2O

g.KMnO4 ,H2O ,OH-

h. [1] LiAlH4 [2] H2O

i. [1] O3 .[2] H3CSCH3

j. (CH3)3COOH ,Ti [OCH(CH3)3]4 (-) DET

k. mCPBA

l.Product in (k); Then[1] LiAlH4 [2] H2O

Question: Devise a synthesis of each compound from the indicated starting material, organic compounds containing one or two carbons, and any other required reagents.
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