3 A → B+C, it would be a zero order reaction when

A
the rate of reaction is proportional to square of concentration of A
B
the rate of reaction remains same at any concentration of A
C
the rate remains unchanged at any concentration of B and C
D
the rate of reaction doubles if concentration of B is increased to double

Solution:

For reaction 3 A → B+C
If it is zero order reaction $r = k [A]^{0}$ , i.e the rate remains same at any concentration of 'A'. i.e independent upon concentration of A.

Solution:

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