MCQ
Which orbital is dumb-bell shaped ?
- A$s-$ orbital
- ✓$p-$ orbital
- C$d-$ orbital
- D$f-$ orbital
$0,+1$, or $-1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Statement- $I$: Along the period, the chemical reactivity of the element gradually increases from group $1$ to group $18$.
Statement - $II$: The nature of oxides formed by group $1$ element is basic while that of group $17$ elements is acidic.In the the light above statements, choose the most appropriate from the questions given below:
$_H^{Br} > \mathop C\limits_1 = \mathop C\limits_2 < _H^{Br}$ $\xrightarrow[{Catalyst}]{{{H_2}}}Br\mathop {C{H_2}}\limits_3 \mathop {C{H_2}}\limits_4 Br$