[" When CO is passed over solid NaOH heated to "],[200^(@)C," it forms: "]

When carbon monoxide is passed over solid caustic soda heated to 200^(@) C , it forms

When carbon monoxide is passed over solid caustic soda heated to 200^@C , it forms:

Vapor of t -butyl alcohol is passed over copper heated to 300^(@)C . The product formed is

Isopropyl alcohol vapour is passed over alumina heated at about at about 240^(@)C . The product formed is-

Gas evolved when NH_3 is passed over heated PbO is-

When ethanol vapours are passed over alumina heated at 350^(@)C the main product obtained is