3 years ago

One way to limit deforestation is by

2 answers:

6 0

One way to limit deforestation by practicing crop rotation. The correct option among all the options given in the question is option "a". Crop rotation will keep the farmers from further cutting of forests to gain fresh lands. This will also decrease the use of wood products. The soil will also gain strength due to rotation of crop.

iogann1982 [59]3 years ago

6 0

Answer:

d. using wood from trees grown on tree farms.

Explanation:

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Write a mechanism for the esterification of propanoic acid with 18O-labeled ethanol. Show clearly the fate of the 18O label. (b)

tatuchka [14]

Answer:

See explanation and images attached

Explanation:

a) In the mechanism for the acid catalysed esterification of propanoic acid using ethanol, we can see that the first step is the protonation of the acid followed by nucleophillic attack of the alcohol. Loss of water and consequent deprotonation regenerates the acid catalyst. We can see the fate of the 18O labelled ethanol in the mechanism shown.

b) In the second mechanism, an unnamed ester is hydrolysed using an acid catalyst. The attack of the acid and subsequent nucleophillic attack of water labelled with 18O leads to the incorporation of this 18O into the product acid as shown in the mechanism attached to this answer.