In which of the followng chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature ?

Options

A. `2H_(2)(l)+O_(2)(l)to2H_(2)O(g)`
B. `2H_(2)(g)+O_(2)(l)to2H_(2)O(l)`
C. `2H_(2)(g)+O_(2)(g)to2H_(2)O(l)`
D. `2H_(2)(g)+O_(2)(g)to2H_(2)O(g)`

Answer

D

Explanation

Water is obtained in vapour phase when gaseous hydrogen and oxygen react together.