When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.

Open in App

Solution

When zinc reacts with dilute hydrochloric acid, the following reaction takes place:

$2 Z n (s) + 2 H C l (a q) \to 2 Z n C l_{2} (s) + H_{2} (g)$

The presence of hydrogen $(H_{2})$ gas can be confirmed by bringing a burning candle near the evolving gas. A pop sound is produced.

Suggest Corrections

Similar questions

Q. When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilized in the hydrogenation of oil.
I)name the gas evolved
II) Write the chemical equation of the reaction involved and also write a test to the gas formed.

Q. When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved.

2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube when the contents are formed a gas involves which is bubbled through a soap solution before testing write the equation of the chemical reaction involved and the tests to detect the gas in the gas which will be evolved when the same metal reacts with dilute solution of a strong acid2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube when the contents are formed a gas involves which is bubbled through a soap solution before testing write the equation of the chemical reaction involved and the tests to detect the gas in the gas which will be evolved when the same metal reacts with dilute solution of a strong acid .

Q. 2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid ?
OR
The pH of a salt used to make tasty and crispy ,pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses.

Q. Question 38
A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.

Join BYJU'S Learning Program

Explore more

Reaction of Metals with Acid

Standard X Chemistry

Join BYJU'S Learning Program

When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.

When zinc reacts with dilute hydrochloric acid, the following reaction takes place:​ 2Zn(s)+2HCl(aq)→2ZnCl2(s)+H2(g) ​ The presence of hydrogen (H2) gas can be confirmed by bringing a burning candle near the evolving gas. A pop sound is produced.​

When zinc reacts with dilute hydrochloric acid, the following reaction takes place:

$2 Z n (s) + 2 H C l (a q) \to 2 Z n C l_{2} (s) + H_{2} (g)$

The presence of hydrogen $(H_{2})$ gas can be confirmed by bringing a burning candle near the evolving gas. A pop sound is produced.