CH3‌COONa+H2O→CH3‌COOH+NaOH The above process takes place in following steps CH3‌COONa‌
‌ Ionisation ‌
⇌
in‌aqueous‌solution
‌
CH3COO−
strong‌base
+Na+ CH3COO−+H2O→CH3‌COOH+OH− Acetate ion undergoes anionic hydrolysis and the resulting solution is slightly basic due to excess of OH−ions. Hence, both (A) and (R) are true and (R) is the correct explanation of (A).