1.

(a) (i) Explain the formation of water with copper catalyst by intermediate compound formation theory. (ii) O-nitro phenol is slightly soluble in water where as P-nitro phenol is more soluble, Give reason.

Answer»

Solution :(a) (i) Formation of WATER due to the relation of `H_(2)` and `O_(2)` in the PRESENCE of Cu can be given as
`underset("catalyst")(2Cu) + underset("Reactant")(1/2 O_(2)) to underset("Intermediate compound")(Cu_(2)O)`
`Cu_(2)O + underset("Reactant")(H_(2)) to underset("Product")(H_(2)O) + underset("Catalyst")(2Cu)`
(ii) O-nitro phenol is slightly soluble in water and more VOLATILE due to intra molecular hydrogen bonding, whereas P-nitro phenol is more soluble in water and less volatile due to INTERMOLECULAR hydrogen bonding.


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