What is the product of the reduction of an unsubstituted aldehyde? Question 18 o

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What is the product of the reduction of an unsubstituted aldehyde?

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Question 19 (1 point)

What is the product of the reduction of an unsubstituted ketone?

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Question 20 (1 point)

Which reagent can be used to reduce a ketone?

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Question 21 (1 point)

What reaction does the coenzyme NADH, in the presence of an enzyme, facilitate?

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Question 22 (1 point)

A hemiacetal contains

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Question 23 (1 point)

Which compound is an acetal?

Question 23 options:

1) a primary alcohol 2) a carboxylic acid 3) a secondary alcohol 4) an ether 5) a tertiary alcohol                                             What is the product of the reduction of an unsubstituted aldehyde? Question 18 options: 1) a primary alcohol 2) a carboxylic acid 3) a secondary alcohol 4) an ether 5) a tertiary alcohol Save Question 19 (1 point) What is the product of the reduction of an unsubstituted ketone? Question 19 options: 1) a primary alcohol 2) a carboxylic acid 3) a secondary alcohol 4) an ether 5) a tertiary alcohol Save Question 20 (1 point) Which reagent can be used to reduce a ketone? Question 20 options: 1) K2Cr2O7 2) H2SO4 3) H2 with Pd metal 4) Ag2O in aqueous NH4OH Save Question 21 (1 point) What reaction does the coenzyme NADH, in the presence of an enzyme, facilitate? Question 21 options: 1) the reduction of a carbonyl group to form a carboxylic acid 2) the reduction of a carbonyl group to form an alcohol 3) the reduction of a carboxylic acid to form a carbonyl group 4) the oxidation of a carbonyl group to form an alcohol 5) the oxidation of a carbonyl group to form a carboxylic acid Save Question 22 (1 point) A hemiacetal contains Question 22 options: 1) an OH (hydroxyl) group and an OR (alkoxy) group. 2) an OH (hydroxyl) group and an OR (alkoxy) group bonded to the same carbon. 3) two OR groups (alkoxy groups) bonded to the same carbon. 4) two OR groups (alkoxy groups). Save Question 23 (1 point) Which compound is an acetal? Question 23 options: 1) 2) 3) 4) 5)

Explanation / Answer

18) 1

19) 3

20) 3

21) 2

22) 2

23) 4

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