- A$C - C$
- B$C - H$
- ✓$C - N$
- D$C - O$
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$(1)$ An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum.
$(2)$ For a given value of the principal quantum number, the size of the orbit is inversely proportional to the azimuthal quantum number
$(3)$ According to wave mechanics, the ground state angular momentum is equal to $\frac {h}{2\pi }$
$(4)$ The plot of $\Psi \,\,Vs\,\,r$ for various azimuthal quantum numbers, shows peak shifting towards higher $r$ value
$(a)$ $CO < C{O_2} < CO_3^{2 - }$ $ \Rightarrow $ Bond length
$(b)$ ${O_2} < {O_3} < O_2^{ - 2}$ $ \Rightarrow $ Bond length
$(c)$ ${N_2} < N_2^ + $ $ \Rightarrow $ Bond energy