Q. 425.0( 1 Vote )

Alkyl halides are A. HCl + ZnCl2

B. Red P + Br2

C. H2SO4 + KI

D. All the above

Answer :

Alcohols on treatment with various reagents give corresponding alkyl halides as products. Alcohols on treatment with HCl + ZnCl2 give alkyl chlorides and so does red phosphorous and bromine treated with alcohol give alkyl bromide. H2SO4 and KI cannot be used for converting an alcohol to alkyl iodide as this converts KI to corresponding acid, HI which is then oxidised by it to I2. Hence the correct statements are (i) and (ii).

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