Chemistry
HCl dissolves in toluene (C6H5CH3) and the solution:
P — contains hydronium ions.
Q — can produce carbon dioxide on reacting with sodium carbonate.
R — does not show any acidic property.
Which of the following holds true?
- Only P
- Only Q
- Only R
- Both P and Q
Hydrogen Chloride
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Answer
Only R
Reason — Toluene is an organic solvent and non-polar in nature. When HCl dissolves in toluene, it does not ionize to form hydronium [H3O+] ions. Since there are no free hydrogen ions, the solution does not show acidic properties and also cannot react with sodium carbonate to release carbon dioxide gas. Therefore, only R is correct — the solution does not show any acidic property. b
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Related Questions
Choose the correct answer:
Hydrogen chloride gas being highly soluble in water is dried by :
- Anhydrous calcium chloride
- Phosphorous pentaoxide
- Quick lime
- Conc. sulphuric acid.
Select the correct answer from A, B, C and D : The aim of the Fountain experiment is to prove that :
(A) HCl turns blue litmus red
(B) HCl is denser than air
(C) HCl is highly soluble in water
(D) HCl fumes in moist air.
Assertion (A): HCl is produced by the reaction of hydrogen and chlorine in diffused sunlight.
Reason (R): This reaction is explosive in sunlight.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): The Fountain experiment is used to demonstrate the high solubility of HCl gas.
Reason (R): Red litmus solution turns blue in Fountain experiment.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.