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How Will you prepare ethane and propane from ethane and propane respectively?

Dear Student,

ethane   to  propane
 

Step- 1   C2H6  +  PCl5 → C2H5Cl   +  PCl3  +  HCl  [ ethane to ethyl chloride]

 Step-2  C2H5Cl    +    CH3MgCl     →  CH3CH2CH3   +    MgCl2  [ethyl chloride to propane]

Propane can be converted to ethane as follows:
stack stack C H subscript 3 C H subscript 2 C H subscript 3 with underbrace below with P r o p a n e below space space space plus space C l subscript 2 space rightwards arrow with U V on top space C H subscript 3 C H subscript 2 C H subscript 2 C l space plus space N a O H space left parenthesis a q right parenthesis space rightwards arrow C H subscript 3 C H subscript 2 C H subscript 2 O H space space rightwards arrow from H subscript 2 S O subscript 4 to K subscript 2 C r subscript 2 O subscript 7 of space space C H subscript 3 C H subscript 2 C O O H space plus space N a space rightwards arrow C H subscript 3 C H subscript 2 C O O N a space space plus space space rightwards arrow from increment to s o d a space l i m e of space space stack stack C H subscript 3 C H subscript 3 with underbrace below with E t h a n e below space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space

 
 

Regards,

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