MCQ
The incorrect statement is :-
- A$\pi^* p$ have two nodal planes
- ✓Bond order of $HeH^+$ is $0.5$
- CIn $NCO^-, C$ is sp hybridised
- D$O_3$ is polar while $O_2$ is non polar
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Element | Atomic mass |
| $A$ | $12.01$ |
| $B$ | $35.5$ |
$A$ and $B$ combine to form new substance $X$ . If $4\,moles$ of $B$ combine with $1\,mole$ of $A$ to give $1\,mole$ of $X,$ then weight of one mole of $X$ is ........... $\mathrm{g}$
