MCQ
Which orbital is dumb-bell shaped ?
- A$s-$ orbital
- ✓$p-$ orbital
- C$d-$ orbital
- D$f-$ orbital
$0,+1$, or $-1$
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Statement $(I)$ : Aqueous solution of ammonium carbonate is basic.
Statement $(II)$ : Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on $\mathrm{K}_{\mathrm{a}}$ and $K_b$ value of acid and the base forming it.In the light of the above statements, choose the most appropriate answer from the options given below :