MCQ
Choose the correct statement
- AElectronic energy is positive
- ✓${\psi ^2}$ represents the probability of finding an electron per unit volume
- C$\psi $ represents the probability of finding an electron
- Dnone of the above is correct
✓
Answer
Correct option: B.
${\psi ^2}$ represents the probability of finding an electron per unit volume
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following is a free radical substitution reaction?
An element, $X$ has the following isotopic composition :
→$^{200}X \,:\, 90\%$ $^{199}X\, :\, 8.0\%$ $^{202}X\, :\, 2.0\%$
The weighted average atomic mass of the naturally occurring element $X$ is closest to......$amu$
Relation between $(B)$ and $(C)$ is
→$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow{{Li/liq\,N{H_2}}}(B)$
$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow[{Pd.CaC{O_3}}]{{{H_2}}}(C)$
Compare $\pi -$ bond strength between $B$ and $N$ given in two compounds
→$(I)$ $\begin{array}{*{20}{c}}
{{{(C{H_3})}_3}Si - NB{H_2}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Si{{(C{H_3})}_3}}
\end{array}$ $(II)$ $\begin{array}{*{20}{c}}
{{{(C{H_3})}_3}C - NB{H_2}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{(C{H_3})}_3}}
\end{array}$
SO2 + O2 ⇌ 2SO3 + Heat
The equilibrium reaction proceeds in forward direction by:
The equilibrium reaction proceeds in forward direction by:
Which of the following is used to distinguish ethylene and acetylene
Which of the following compounds is/are amphoteric in nature?
3d-transition series of elements starts with scandium which has the electronic configuration:
The $pH$ of a buffer solution prepared by mixing $50\, mL$ of $0.2\, M$ $CH_3COOH$ and $250\, mL$ of $CH_3COONa$ is $4.8.$ What is the concentration of $CH_3COONa$ ? $pKa$ of $CH_3COOH$ is $4.8$ .....$M$
→Product $A$ in the reaction will be
→