CBSE Class 12 · 2016 · All India · Alcohols Phenols and EthersShort Answer

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Write the chemical equations involved in the following reactions:
i) Kolbe's reaction
ii) Friedel–Crafts acetylation of anisole
OR
How do you convert:
i) phenol to toluene
ii) formaldehyde to ethanol

Solution

Main:
(i)

C_{6} H_{5} ONa + C O_{2} 400 K 4 - 7 atm o - HO C_{6} H_{4} COONa H^{+} salicylic acid

(ii)

C_{6} H_{5} OC H_{3} + C H_{3} COCl AlC l_{3} p - C H_{3} O C_{6} H_{4} COC H_{3} + HCl

OR:
(i)

C_{6} H_{5} OH Zn, Δ C_{6} H_{6} C H_{3} Cl/AlC l_{3} C_{6} H_{5} C H_{3}

(ii)

HCHO + C H_{3} MgBr \to C H_{3} C H_{2} OMgBr H_{2} O/ H^{+} C H_{3} C H_{2} OH

CBSE Class 12 Board · 2016 · All India · Subjective

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