\(\ce{C6H5-CHO}\)
$$\ce{$A$ ->[\ce{+H2O}] $B$}$$
$$\ce{SO4^2- + Ba^2+ -> BaSO4}$$
$$CO_2$$
$$\frac{1}{3}$$
$$\ce{SO4^2- + Ba^2+ -> BaSO4}$$
$$\ce{$A$ ->[\ce{+H2O}] $B$}$$
$$\ce{SO4^2- + Ba^2+ -> BaSO4}$$
$$CO_2$$
$$\frac{1}{3}$$
$$\ce{SO4^2- + Ba^2+ -> BaSO4}$$