On heating the mixture of NaOH and CO at 483 K the product formed is :

When phenol reacts with phtalic anhydride in presence of H_2SO_4 and heated and hot reaction mixture is poured in NaOH solution. The product formed is

When citric acid is heated at 525 K, the main product formed is

Phenol is heated with chloroform and NaOH at 340 K. What is the product formed ? Also give the name of the reaction involved.

When phenol reacts with phtalic anhydride in presence of H_2SO_4 and heated and hot raction mixture is pourd in NaOH solution. The product formed is

On heating gypsum above 393 K, the product formed is

On heating gypsum above 393 K, the product formed is

When ferric oxide reacts with NaOH , the product formed is