Question

consider the following reaction
1. A+BX-AX+BX
2. B+CY-BY+C
3.C+AX-CX+A
Arrange A,B,C in increasing order of reactivity

Answer 1

Given equation are :
1. A+BX-AX+B
2. B+CY-BY+C
3.C+AX-CX+A

1. A+BX---->AX+B
It is a displacement reaction and we can see A is more reactive than B hence displaces B from the compound.
[A>B  A IS MORE REACTIVE]

2.B+CY--->BY+C
B is more reactive than C
[B>C]
3.C+AX--->CX+A
C is more reactive than A.
[C>A]
Hence the Increasing order of Reactivity of A,B,C is 
B<A<C

Answer 2

Answer:

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