Question:
In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is
In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is
Updated On: Nov 14, 2025
- Hydrogen chloride gas
- Chlorine gas
- Sulphur dioxide gas
- Hydrogen gas
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
To solve this question, we need to identify the gas that is liberated when a salt containing chloride is treated with concentrated sulfuric acid. Let's examine the reaction:
When a chloride salt (e.g., NaCl) is treated with concentrated sulfuric acid (H2SO4), the following reaction occurs:
\(\text{NaCl (s) + H}_2\text{SO}_4\text{ (l) } \rightarrow \text{NaHSO}_4\text{ (s) + HCl (g)}\)
In this reaction, hydrogen chloride gas (HCl) is liberated, which is a colorless gas. This accurately matches the description in the question.
Let's examine the incorrect options:
- Chlorine gas: Chlorine gas is a greenish-yellow gas, not colorless, and is typically produced in other chemical reactions, such as when HCl is oxidized.
- Sulphur dioxide gas: This gas is generally produced in reactions involving the complete reduction of H2SO4, not when reacting with a simple chloride salt.
- Hydrogen gas: Hydrogen gas is colorless, but it is not produced in this specific reaction involving chloride salts and concentrated sulfuric acid.
Therefore, the correct answer is Hydrogen chloride gas.
Was this answer helpful?
0
0
Top KCET Chemistry Questions
- Which of the following is not true for oxidation?
- When $50\, cm ^{3}$ of $0.2\, N$ $H_{2} SO _{4}$ is mixed with $50 cm ^{3}$ of $1 N\, KOH$, the heat liberated is :
- Which of the following is NOT a pair of functional isomers?
- The vapour pressure of due to
- A nitrogen containing organic compound gave an oily liquid on heating with bromine and potassium hydroxide solution. On shaking the product with acetic anhydride, an antipyretic drug was obtained. The reactions indicate that the starting compound is :
View More Questions
Top KCET p -Block Elements Questions
- In the brown ring test, the brown colour of the ring is due to
- Very pure $N_2$ can be obtained by
- When conc. $H_2SO_4$ is heated with $P_2 O_5$, the acid is converted into
- Which of the following element forms $p_{\pi} - p_{\pi}$ bond with itself ?
- Excess of $PCl_5$ reacts with conc. $H_2SO_4$ giving
View More Questions
Top KCET Questions
- Which of the following is not true for oxidation?
- If $a, b$ and $c \in N$ which one of the following is not true ?
- When $50\, cm ^{3}$ of $0.2\, N$ $H_{2} SO _{4}$ is mixed with $50 cm ^{3}$ of $1 N\, KOH$, the heat liberated is :
- If $a | (b + c)$ and $a| (b-c)$ where $a,b,c \in \, N $ then
- Which of the following is NOT a pair of functional isomers?
View More Questions
Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family