Write chemical equation involved in Friedel Crafts acetylation of anisole.

Explain the following giving one example for each : (i) Reimer-Tiemann reaction. (ii) Friedel Craft's acetylation of anisole.

Name the reagent used in the Friedel Craft's alkylation of anisole.

Write the chemical reactions involved in the process of extraction of gold. Explain the role of dilute NaCN and Zn in this process.

Write the equations of the following reactions: i. Friedel-Crafts reaction - alkylation of anisole. ii. Nitration of anisole. iii. Brominatation of anisole in ethanoic acid medium. iv. Fridel-Crafts acetylation of anisole.

Polyalkylation occurs in Friedel-Crafts acylation. Why ?

Write the equations involved in the extraction of gold by cyanide process. Mention the role of Zn.

Write short note on:Friedel Craft alkylation reaction.

Write chemical equation for the preparation of urea.

What is used in Friedel Craft reaction instead of AICl_3 ?

Polyacylation does not occur in Friedel-Crafts acylation . Why ?