MCQ
Identity the incorrect pair from the following:
- APhotography - AgBr
- BPolythene preparation $- TiCl _4, Al \left( CH _3\right)_3$
- CHaber process - Iron
- ✓Wacker process $- Pt Cl _2$
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$(i)$ Hinsberg test
$(ii)$ Carbyl amine test
$(iii)$ Hofmann mustard oil test
$(iv)$ $HNO_2$ test