MCQ
Which is a buffer solution
- ✓$CH_3COOH + CH_3COONa$
- B$CH_3COOH + CH_3COONH_4$
- C$CH_3COOH + NH_4Cl$
- D$NaOH + NaCl$
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$(1)$ It has $2$ angular nodes
$(2)$ It has $3$ radial nodes
$(3)$ It is a 4d state
$(4)$ The nuclear charge experienced by the electron in this state is less than $2 e$, where $e$ is the magnitude of the electronic charge.
${A_2}B(g) \to {A_2}(g) + B(g);\,\,\,\Delta {H^o} = 40\,kJ/mol$
${A_2}B(g) \to A(g) + AB(g);\,\,\,\Delta {H^o} = 50\,kJ/mol$
.....$ kJ/mol$