MCQ
$1.020g$ of metallic oxide contains $0.540g$ of the metal. If the specific heat of the metal, $M$ is $0.216\ \ce{ cal deg ^{-1} g^{-1}}$. The molecular formula of its oxide is:
- A$\ce{MO}$
- ✓$\ce{M_2O_3}$
- C$\ce{M_2O_4}$
- D$\ce{M_2O}$
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Internal energy $(U)$; Volume $(V)$; Heat $(q)$; Enthalpy $( H )$
$(A)$ The principal quantum number $'n'$ is a positive integer with values of $'n'=1,2,3, \ldots$.
$(B)$ The azimuthal quantum number $'l'$ for a given $'n'$ (principal quantum number) can have values as $'l'=0,1,2, \ldots n$
$(C)$ Magnetic orbital quantum number $'m _{l}'$ for a particular $'l'$ (azimuthal quantum number) has $(2 l$ + 1) values.
$(D)$ $\pm 1 / 2$ are the two possible orientations of electron spin.
$(E)$ For $l=5$, there will be a total of $9$ orbital.
Which of the above statements are correct?
$Image$
is/are