Which of the following statement(s) is/are wr | vedclass

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(D) Statement $(a)$ is correct because $l = 0$ corresponds to an $s$-orbital,which is spherically symmetric.Statement $(b)$ is wrong because the shape

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Both $(b)$ and $(c)$

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(D) Statement $(a)$ is correct because $l = 0$ corresponds to an $s$-orbital,which is spherically symmetric.Statement $(b)$ is wrong because the shape of an orbital is determined by the azimuthal quantum number $(l)$,not the magnetic quantum number $(m_l)$. The magnetic quantum number determines the orientation of the orbital.Statement $(c)$ is wrong because electrons in different orbitals or shells have different energies and velocities.Therefore,both $(b)$ and $(c)$ are incorrect statements.

Which of the following statement$(s)$ is/are wrong?

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The radial probability distribution curve for an orbital comprises of $3$ maxima. If the orbital has $3$ angular nodes as well,then the orbital can be:

$A$: The energy of an electron can be determined by the principal quantum number.
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For the given quantum numbers $n$ and $l$ of electrons:
$(i) n = 4, l = 1$
$(ii) n = 4, l = 0$
$(iii) n = 3, l = 2$
$(iv) n = 3, l = 1$
Arrange them in the increasing order of their energy.

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