When $\mathrm{NaOCl}$ reacts with water it produces—

• a$\mathrm{NaOH}$ and $\mathrm{HOCl}$
• b$\mathrm{NaCl}$ and $\mathrm{H_2O}$
• c$\mathrm{Na_2O}$ and $\mathrm{HCl}$
• d$\mathrm{NaH}$ and $\mathrm{O_2}$