Question

Out of three metals X, Y, and Z, X is less reactive than Y and Z is more reactive than X and Y both
Suggest an activity to arrange X, Y and Z in order of their increasing reactivity.
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Answer 1

it is a question from halogen category..

x = iodine is less reactive than and z = bromine is less reactive than y = chlorine...

I think it will help you...

Answer 2

Answer:

The order is X<Y<Z

Explanation:

Step 1 Salt solution of metal X,Y and Z were taken

Step 2   Acc. to question  since Z is more reactive than Y and X , so displacement reaction take place.

(1) Y + salt X ---> X + saltY

       

(2) Z + salt Y ---> Y + saltZ

       

(3) Z + salt X ---> X + saltZ