Why do alkyl chlorides undergo substitution to form alcohol?
The ionization of aqueous KOH produces hydroxide ions which are strong nucleophiles. Hence, alkyl chlorides undergo substitution to form alcohol. R−CH2−CH2−Cl+KOH(alc)→R−CH=CH2+KCl+H2O Alcoholic KOH solution gives alkoxide ion which is a strong base. It abstracts βhydrogen atom of alkyl chloride.
What is the basicity of alkyl chloride in KOH solution?
Alcoholic KOH solution gives alkoxide ion which is a strong base. It abstracts βhydrogen atom of alkyl chloride. A molecule of HCl is eliminated and an alkene is formed. Note: The basicity of hydroxide ion is much lower than the basicity of alkoxide ion as hydroxide ion is significantly hydrated in aqueous solution.
Which reaction of SOCl2 on alkanols gives good yields?
The reaction of SOCl2on alkanols to form alkyl chlorides gives good yields because: Medium View solution The major product is: Hard View solution Which of the following is an incorrect statement?
Can hydroxide ion abstract β-hydrogen atom of alkyl chloride?
A molecule of HCl is eliminated and an alkene is formed. Note: The basicity of hydroxide ion is much lower than the basicity of alkoxide ion as hydroxide ion is significantly hydrated in aqueous solution. Hence, hydroxide ion cannot abstract βhydrogen atom of alkyl chloride.
Problem 46 Medium Difficulty
Explain the following observation. Treatment of alkyl chloride A with N a O C H 2 C H 3 yields only one product B, whereas treatment of A with very dilute base in C H 3 C H 2 O H yields a mixture of alkenes B and C, with C predominating.
Video Transcript
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