The reaction between MnO2 with HCl is depicted in the following diagram. It was observed that a gas with bleaching abilities was released.
1. The chemical reaction between MnO2 and HCL is an example of:
a) displacement reaction
b) combination reaction
c) redox reaction
d) decomposition reaction.
2. Chlorine gas reacts with ......... to form bleaching powder.
a) dry Ca(OH)2
b) dil. solution of Ca(OH)2
c) conc. solution of Ca(OH)2
d) dry CaO
3. Identify the correct statement from the following:
MnO2 is getting reduced whereas HCl is getting oxidized
a) MnO2 is getting oxidized whereas HCl is getting reduced.
b) MnO2 and HCl both are getting reduced.
c) MnO2 and HCl both are getting oxidized.
4. In the above discussed reaction, what is the nature of MnO2 ?
a) Acidic oxide
b) Basic oxide
c) Neutral oxide
d) Amphoteric oxide
5. What will happen if we take dry HCl gas instead of aqueous solution of HCl?
a) Reaction will occur faster.
b) Reaction will not occur.
c) Reaction rate will be slow
d) Reaction rate will remain the same.
