JEE Main Chemistry question

For the decomposition reaction NH_2COONH_4(s)\rightleftharpoons2NH_3(g)+CO_2(g). The . The total pressure of gases at equilibrium when 1 mole of was taken to start would be

• (A)0.0766 atm
• (B)0.0582 atmCorrect
• (C)0.0388 atm
• (D)0.0194 atm