MCQ
In which bond angle is the highest
- A$s{p^3}$
- B$s{p^2}$
- ✓$sp$
- D$s{p^3}d$
| Type | Bond angle |
| $sp^3$ | $109.5^o$ |
| $sp^2$ | $120^o$ |
| $sp^3d$ | $90^o$ and $102^o$ |
| $sp$ | $180^o$ |
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$1.$ The state $S_1$ is
$(A)$ $1 \mathrm{~s}$ $(B)$ $2 \mathrm{~s}$ $(C)$ $2 \mathrm{p}$ $(D)$ $3 \mathrm{~s}$
$2.$ Energy of the state $S_1$ in units of the hydrogen atom ground state energy is
$(A)$ $0.75$ $(B)$ $1.50$ $(C)$ $2.25$ $(D)$ $4.50$
$3.$ The orbital angular momentum quantum number of the state $S_2$ is
$(A)$ $0$ $(B)$ $1$ $(C)$ $2$ $(D)$ $3$
Give the answer question $1,2$ and $3.$
