Which of the following statements is CORRECT? | vedclass

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Question

(D) Let us analyze each statement:$1$. For a given subshell,the principal quantum number $n$ is always greater than the azimuthal quantum number $l$ $

Vedclass · Accepted Answer

None of these

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(D) Let us analyze each statement:$1$. For a given subshell,the principal quantum number $n$ is always greater than the azimuthal quantum number $l$ $(n > l)$. Thus,the azimuthal quantum number cannot have the highest numerical value.$2$. Generally,as electronegativity increases,the effective nuclear charge increases,which makes it harder to remove an electron,thus increasing the ionisation energy. Therefore,the statement that it decreases is incorrect.$3$. If the intermolecular axis is the $x$-axis,the $p_x$ orbital can only form a sigma $(\sigma)$ bond due to head-on overlap. $A$ $d_{xy}$ orbital has lobes in the $xy$ plane; it cannot form a $\pi$ bond with $p_x$ along the $x$-axis because the symmetry does not allow for lateral overlap.$4$. Since all statements are incorrect,the correct option is $D$.

Column-$I$	Column-$II$
$(1)$ Photon	$(A)$ Value of $4$ for $N$ shell
$(2)$ Electron	$(B)$ Probability density
$(3)$ $\psi^2$	$(C)$ Always $+$ value
$(4)$ Principal quantum number $(n)$	$(D)$ Represents wavelength and momentum

Which of the following statements is $CORRECT$?

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Column-$I$ Column-$II$

$(1)$ Photon $(A)$ Value of $4$ for $N$ shell

$(2)$ Electron $(B)$ Probability density

$(3)$ $\psi^2$ $(C)$ Always $+$ value

$(4)$ Principal quantum number $(n)$ $(D)$ Represents wavelength and momentum

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