The species which by definition has ZERO standard molar enthalpy of formation at 298 K is
Br2 (g)
CH4 (g)
H2O (g)
Cl2 (g)
Because standard state of Cl2 is gas.
The incorrect expression among the following is :
The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:
Which of the following exists as covalent crystal in the solid state?
Total number of geometrical isomers for the complex [RhCl(CO)(PPh3)(NH3)] is
