B+H2SO4→A+SO2
B+HNO3→A+NO2 A is
H3BO3
H3BO2
H3BO
B+HNO3→A+NO2A is
Na2B4O7+2HCl⟶2NaCl+A Na2B4O7+H2SO4→Na2SO4+A. A is as follows:
In the nitration of benzene using a mixture of conc. H2SO4 and conc. HNO3 the Species which initiates the reaction is_______________
NaNO3 + H2SO4 → A–– + HNO3
A–– + NaCl → Na2SO4 + HCl A is.