Question

The laboratory preparation of chlorine gas involves the reaction between aqueous hydrochloric acid and manganese dioxide as per the below equation.

12

21

22

2

23

2

24

2

MnO, + 4 HCI → MnCl2 + Cl2 + 2 H20

(a) Name the type of the above reaction. (b) Which substance is oxidised? Which substance is oxidising agent​

Answer 1

Answer:

Chlorine is prepared in the laboratory by treating manganese dioxide with aqueous hydrochloric acid according to the reaction How many grams of HCL react with 5.0 gram of manganese dioxide

Chlorine is prepared in the laboratory by treating manganese dioxide (MnO2) with aqueous hydrochloric acid according to the reaction. 4HCl(aq) + MnO2(s) → 2H2O(l) + MnCl2(aq) + Cl. How many grams of HCl react with 5.0 g of manganese dioxide? Hence, 8.4 g of HCl will react completely with 5.0 g of manganese dioxide.

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Answer 2

Answer:

Here is your answer:

Explanation:

a) Decomposition reaction.

b) HCL Is oxidised. MnO is the oxidising agent.

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