Why do some substances float on water?
1 answer:
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The change which increase the rate of the reaction is by increasing the amount of solution.
<h3>What is the rate of the reaction?</h3>Rate of the reaction gives idea about the speed of the completion of the reaction or the formation of the products.
Given chemical reaction is:
2H₂O₂ 2H₂O + O₂
In the above chemical reaction MnO₂ acts as a catalyst which helps in increasing the rate of the reaction without being involved in the reaction. So the formation of the product depends only on the concentration of the solution. So, by increasing the solution amount will increase in the rate.
Hence, increasing the amount of solution will increase the rate.
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Answer:
The student did not lose any organic product in the aqueous layer
Explanation:
From the question;
After addition of hydrochloric acid, a student removes the lower aqueous layer and extracts the aqueous phase with diethyl ether (0.5 mL).
The only possible way the student could have lose the product was if there are some basic group e.g in the compound which have a tendency of forming
salt.
Also these compound could be regenerated from aqueous layer by neutralizing the aqueous layer with basic solution , for example; by using sodium hydroxide (NaOH) in which the extraction is then followed by the usage of Diethyl ether.