When 1 g of anhydrous oxalic acid is burnt at `25^(@)C`, the amount of heat liberated is `2.835 kJ`.`Delta H` combustion is (oxalic acid : `C_(2)H_(2)O_(4))`

When 1g of anhydrous oxalic acid is burnt at 25^@C , the amount of heat liberated is 2.835 kJ. DeltaH_(comb) is

The equivalent weight of oxalic acid in C_(2)H_(2)O_(4). 2H_(2)O is

When 1.0 g of oxalic acid (H_(2)C_(2)O_(4)) is burnt in a bomb calorimeter whose capacity is 8.75 KJ/K, the enthalpy of combustion of oxalic acid at 27^(@)C is :

On heating oxalic acid with H_2SO_4 , we get

On heating oxalic acid with H_2SO_4 , we get