Two reactions between a Grignard reagent and a carbonyl compound are given. Draw the main organic product for each reaction and
indicate if H + or H − is needed to complete each reaction. The starting material structures are provided in the answer fields as a starting point for your drawings.
1 answer:
Complete Question
The complete question is shown on the first uploaded image
Answer:
The solution to the question above is shown on the second uploaded image
Explanation:
This talks on the concept of reaction of Grignard reagent with carbonyl compounds. Carbonyl compounds (aldehydes and ketones) are extremely reactive towards the nucleophile due to their highly electrophilic nature. Carbonyl groups include a carbon which is attached to the oxygen atom which highly electronegative as compared to the carbon and hence attracts the shared pair of electrons which results in the generation of partial positive character on the carbonyl carbon.
Grignard reagents on reaction with carbonyl compounds carry out a nucleophilic addition reaction which on treatment with water gives a corresponding alcohol.
For the First reaction
The reaction of Grignard reagent with the ketone is shown on the third uploaded image :
i.e Butan-2-one reacts with methyl magnesium bromide in presence of
to form 2-methylbutan-2-ol.
For the Second reaction
The reaction of Grignard reagent with the aldehyde is shown on the fourth uploaded image :
I.e Butyraldehyde reacts with ethyl magnesium bromide in presence of
to form hexan-3-ol.
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Answer:
The final state of the substance is a gas.
The sample is initially a liquid. One or more phase changes will occur.
Explanation:
Let's consider the phase diagram for Argon (not to scale).
<em>A sample of argon is initially at a pressure of 49.6 atm and a temperature of 101.4 K. The pressure on the sample is reduced to 0.680 atm at a constant temperature of 101.4 K. Which of the following are true? Choose all that apply </em>
<em>The final state of the substance is a gas.</em> TRUE. At 0.680 atm and 101.4 K, the substance is a gas.
<em>The gas initially present will solidify.</em> FALSE. Initially, Ar is present as a liquid.
<em>The final state of the substance is a solid.</em> FALSE.
<em>The sample is initially a liquid. One or more phase changes will occur.</em> TRUE. The sample is initially liquid and only one phase change will occur.
