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3 years ago

Give the (Hawarth projection) cyclic

Chemistry

1 answer:

denpristay [2]3 years ago

8 0

Answer:

a) The cyclic structure of D-fructose is drawn in the attachment

b)The carbons in the ring are 4

c) The diagram is shown in the attachment

d)This can be classified as a reducing agent. This is because it contains aldehyde that are oxidized to carboxylic acid.

e) The D-fructose sugar has anomeric carbon which is an aldehyde or hemiacetal. In fructose, both anomeric carbons are in acetal functional groups

Explanation:

The explanations is attached.

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Scrat [10]

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3 years ago

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zmey [24]

Answer:

a. 3-methylbutan-2-ol

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Explanation:

For this reaction, we must remember that the hydroboration is an "anti-Markovnikov" reaction. This means that the "OH" will be added at the least substituted carbon of the double bond.

In the case of 2-methyl-2-butene, the double bond is between carbons 2 and 3. Carbon 2 has two bonds with two methyls and carbon 3 is attached to 1 carbon. Therefore the "OH" will be added to carbon three producing 3-methylbutan-2-ol.

For 1-methylcyclohexene, the double bond is between carbons 1 and 2. Carbon 1 is attached to two carbons (carbons 6 and 7) and carbon 2 is attached to one carbon (carbon 3). Therefore the "OH" will be added to carbon 2 producing 2-methylcyclohexan-1-ol.

See figure 1

I hope it helps!

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3 years ago

17. Which of the following describes a condition in which an individual would not hear an echo?

ivanzaharov [21]

The right answer is D. In a situation where the sound wave reaches the ear and the reflected wave reaches the ear less than 0.1 seconds later, the individual would not be able to hear an echo. There needs to a far more significant delay between the sound and the reflection of said sound reaching the listener's ear for the echo effect to become apparent.

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iris [78.8K]

Answer:

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Explanation:

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