42. Me₂CHMgBr reacts with Ir(I)CIL₃ to give Ir(I)HL₃. How many of following statement(s) is/are correct?

 (i) The reaction also produces propene as a by-product.

 (ii) The possible intermediate is Ir(CHMe₂)L₃.

(iii) β-H elimination likely involves in this process.

 (iv) The reaction of Me₂CHMgBr with IrClL₃ likely proceeds through associative mechanism.
(A)0
(B) 1
(C) 2
(D) 3
(E) 4

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