When AgCl is treated with KCN

• Ag is precipitated

• a complex ion is formed

• double decomposition takes place

• no reaction takes place

Which one of the following compounds is most reactive towards nucleophilic addition?

• CH₃CHO

• PhCOCH₃

• PhCOPh

• CH₃COCH₃

Which reaction is used for the preparation of acetophenone ?

• Reimer-Tiemann reaction

• Wurtz-Fittig reaction

• Friedel-Craft's reaction

• Cannizaro's reaction

154.

Iodoform test is not given by :

• HCHO

• CH₃CHO

• CH₃COCH₃

• C₂H₅OH

Pure methane can be produced by

• Wurtz reaction

• Kolbe's electrolytic method

• soda lime decarboxylation

• reduction with H₂