Which does not represent correct method?

Options

A. `{:(TiC1_(2)+2MgrarrTi+2MgC1_(2),,:Kroll,,):}`
B. `{:(Ni(CO)_(4)rarrNi+4CO,,:Mond,,):}`
C. `{:(Ag_(2)CO_(3)rarr2Ag+CO_(2)+O_(2),,:van Arket,,):}`
D. `{:(ZrI_(4)rarrZr+2I_(2),,:van Arket,,):}`

Answer

C

Explanation

It is not called vanArkel method.van Arkel method is used for the purification of `Zr` and `Ti`.Reaction `(c )` is simple thermal decomposition of `Ag_(2)CO_(3)`.