9. Hydricarbon — Chemistry STD 11 Science — Question

$2 RX +2 Na \stackrel{\text { Ether }}{\longrightarrow} \underset{\text { alkane }}{ R - R }$

$(ii)$ Kolbe's reaction

$RCOONa + H _2 O \stackrel{\text { Electrolysis }}{\longrightarrow} \underset{\text { alkane }}{ R - R }$

$(iii)$ Ulmann's reaction

$2 C _6 H _5 I +2 Cu \rightarrow \underset{\text { biphenyl } }{ C _6 H _5}- C _6 H _5$

$(iv)$ Frankland reaction

$\underset{\text { alkyl halide }}{2 RX }+ Zn \rightarrow \underset{\text { alkane }}{ R - R }$