A pop sound is heard along with the evolution of colourless gas when zinc granules are added to test tube containing dil. HCI. Explain the reaction taking place with balanced chemical equation.

Open in App

Solution

$Z n + 2 H C l \to Z n C l_{2} + H_{2} ↑$
the pop sound is heard when hydrogen gas evolved meets the fire on the matchstick.

Suggest Corrections

Similar questions

Q. A student added dilute HCl to a test tube containing zinc granules. Which of the following observations are correct?
I. Zinc surface became dull and black.
II. A gas was evolved which burnt with a pop sound.
III. The solution remained colourless.

Q. Question 5(a)
Write word equations and then balanced equations for the reaction taking place when:
(a) Dilute sulphuric acid reacts with zinc granules

Q. (i) What happens when zinc granules are treated with dilute solution of

H_{2} S O_{4}

? Also write the chemical equations if reaction occurs.

(ii) What happens when zinc granules are treated with dilute solution of HCl? Also write the chemical equations if reaction occurs.

(iii) What happens when zinc granules are treated with dilute solution of

H N O_{3}

? Also write the chemical equations if reaction occurs.

(iv) What happens when zinc granules are treated with dilute solution of NaCl? Also write the chemical equations if reaction occurs.

(v) What happens when zinc granules are treated with dilute solution of NaOH? Also write the chemical equations if reaction occurs.

Q. When zinc granules are added to a test tube containing dilute hydrochloric acid then:

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 .

Join BYJU'S Learning Program

A pop sound is heard along with the evolution of colourless gas when zinc granules are added to test tube containing dil. HCI. Explain the reaction taking place with balanced chemical equation.

Zn+2HCl→ZnCl2+H2↑the pop sound is heard when hydrogen gas evolved meets the fire on the matchstick.

$Z n + 2 H C l \to Z n C l_{2} + H_{2} ↑$
the pop sound is heard when hydrogen gas evolved meets the fire on the matchstick.