What halide would undergo dehydrohalogenation to give 2-pentene as a pure product?
2 answers:
Answer:
The correct answer is 3-Chloropentane.
Explanation:
Dehydrohalogenation refers to a chemical reaction, which includes elimination of a hydrogen halide from a substrate. The reaction is generally related to the production of alkenes, however, it has various uses. Conventionally, the alkyl halides are the substrates for dehydrohalogenations. The alkyl halide must possess the tendency to produce an alkene, therefore, benzyl and methyl halides are not the ideal substrates.
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<u>Explanation:</u>
It is given that polar solutes can be dissolved in polar solvents and non-polar solutes can be dissolved in non-polar solvent.
Alcohol being polar, does not dissolves ionic salt in it.
is a non-polar solvent.
From the given options:
1. NaCl: This is an ionic salt and hence, it will be soluble in water only.
2. : Iodine gas is a non-polar solute and hence, will be dissolved in non-polar solvent which is
3. Ethanol: As, it is a polar molecule and is not an ionic salt, therefore it can be soluble in both water and alcohol.
4. Benzene: It is a non-polar molecule and hence, it will be dissolved in
5. : Bromine gas is a non-polar solute and hence, will be dissolved in
6. : This is an ionic salt and hence, it will be soluble in water only.
7. Toluene: This is a non-polar solute and hence, will be dissolved in
8. : This is an ionic salt and hence, it will be soluble in water only.
Answer: The value of for this reaction is 250000.
Explanation:
The given equation is as follows.
... (1)
... (2)
To balance the atoms, multiply equation (2) by 3. Hence, the equation (2) can be re-written as follows.
... (3)
Now, subtract equation (1) from equation (3). So, the equation formed will be as follows.
This equation can also be re-written as follows.
This equation is similar to the equilibrium equation given to us.
Therefore, during this subtraction the equation constants get divided as follows.
Thus, we can conclude that the value of for this reaction is 250000.