Based on the freezing point depression value of HCl in benzene, HCl does not act as an electrolyte in benzene.
<h3>What is the effect of solute on the freezing point of a solvent?</h3>
The freezing point of a solvent such as water is lowered by the solute which ionizes in it.
The freezing point of a solution depends on the number of particles in the solution.
The formula for freezing point depression is given below:
ΔTf = i * Kf * m
HCl remains as molecules and does not ionize in a solution of Benzene. This is because benzene is a nonpolar solvent.
Therefore, the equation for the dissolution of HCl in benzene is given below:
HCl (g) → HCl (in benzene solution)
1 mol of HCl gas gives 1 mol of HCl molecules in solution.
Therefore, HCl remains a molecule and does not act as an electrolyte in benzene.
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Answer:-
Explanations:- When the covalent bond is formed between two different atoms then the more electron negative atom has and the less electron negative atom has charge. More is the electron negativity difference, greater is the charge separation.
Looking at all the given molecules, Oxygen is most electron negative and hydrogen is less electron negative(hydrogen is more electron negative than Si). So, the best choice is .
Answer:
1.45 mol
Explanation:
Given data
- Volume of the gas (V): 8.77 L
- Temperature of the gas (T): 20 °C
- Pressure of the gas (P): 3.98 atm
Step 1: Calculate the absolute temperature (Kelvin)
We will use the following expression.
Step 2: Calculate the number of moles (n) of the gaseous sample
We will use the ideal gas equation.
Answer:
It is an example of single displacement reaction.
Explanation:
<u>Single replacement reaction:</u>
A single element replaces another element in a compound.
For example,
The given reaction is as follows.
In the above reaction, aluminium bromide is dissociated into the , these bromide ions are reacted with potassium atoms to form potassium bromide.
Here, only one element displaces therefore, it is an single displacement reaction.