C-06-Q123mediumsingle_mcqBalanced equation of Mg+HCl→MgCl2+H2\mathrm{Mg + HCl \to MgCl_2 + H_2}Mg+HCl→MgCl2+H2 is—aMg+HCl→MgCl2+H2\mathrm{Mg + HCl \to MgCl_2 + H_2}Mg+HCl→MgCl2+H2bMg+2HCl→MgCl2+H2\mathrm{Mg + 2HCl \to MgCl_2 + H_2}Mg+2HCl→MgCl2+H2c2Mg+HCl→MgCl2+H2\mathrm{2Mg + HCl \to MgCl_2 + H_2}2Mg+HCl→MgCl2+H2dMg+3HCl→MgCl3+H2\mathrm{Mg + 3HCl \to MgCl_3 + H_2}Mg+3HCl→MgCl3+H2