Alcoholic KOH is used for

Question

Alcoholic KOH is used for (A) dehydration (B) dehydrogenation (C) dehydrohalogenation (D) dehalogenation

Tardigrade Admin · Accepted Answer

CH3-CH2Br+KOH(alc.) xrightarrow textdehydrohalogenation CH2=CH2+KBr+H2O. In alcoholic KOH, alkoxide ion (R barO) is present which is a strong base favour elimination reaction.

Q. Alcoholic KOH is used for

dehydration

dehydrogenation

dehydrohalogenation

dehalogenation

$C H_{3} - C H_{2} B r + K O H (a l c .) dehydrohalogenation$
$C H_{2} = C H_{2} + K B r + H_{2} O .$
In alcoholic KOH, alkoxide ion
$(R \overset{ˉ}{O})$ is present which is a strong base favour elimination reaction.

Q. Alcoholic KOH is used for

dehydration

dehydrogenation

dehydrohalogenation

dehalogenation

CH3​−CH2​Br+KOH(alc.)dehydrohalogenation​ CH2​=CH2​+KBr+H2​O. In alcoholic KOH, alkoxide ion (ROˉ) is present which is a strong base favour elimination reaction.

$C H_{3} - C H_{2} B r + K O H (a l c .) dehydrohalogenation$
$C H_{2} = C H_{2} + K B r + H_{2} O .$
In alcoholic KOH, alkoxide ion
$(R \overset{ˉ}{O})$ is present which is a strong base favour elimination reaction.