Question

Alkyl halide reacts with lithium aluminium hydride to give alkane. name the attacking reagent which will bring out this change.

Answer 1

Lithium aluminum hydride also reduces alkyl halides to alkanes. Alkyl iodides react the fastest, followed by alkyl bromides and then alkyl chlorides. Primary halides are the most reactive followed by secondary halides. Tertiary halides react only in certain cases. The halide reactivity increases in the order: Cl < Br < I.

R₃C-X   +   2Li   ——>  R₃C-Li   +   LiX 

A suitable solvent must be used for the conversion of alkyl halide to alkane upon reaction with LiAlH₄. For alkyl lithium formation pentane, hexane or ethyl ether may be used.

Tetrahydrofuran (THF) is the most likely solvent used for the reaction to occur.

Answer 2

Answer:

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