MCQ
Successive alkanes differ by
- ✓$>C{H_2}$
- B$>CH$
- C$ - \,\,C{H_3}$
- D${C_2}{H_4}$
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$(1)$ $Fe^{3+}$ gives brown colour with potassium ferricyanide
$(2)$ $Fe^{2+}$ gives blue colour with potassium ferricyanide
$(3)$ $Fe^{3+}$ gives red colour with potassium thiocyanate
$(4)$ $Fe^{2+}$ gives brown colour with ammonium thiocyanate
