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 $D$.

List-$I$	List-$II$
$(1)$ $\Delta x \cdot \Delta p \ge \frac{h}{4\pi}$	$(A)$ De Broglie equation
$(2)$ $mvr \ge \frac{nh}{2\pi}$	$(B)$ Uncertainty principle
$(3)$ $\lambda = \frac{h}{\sqrt{2m(KE)}}$	$(C)$ Frequency equation of $H$-spectrum
$(4)$ $\nu = 3.29 \times 10^{15} \left( \frac{1}{n_i^2} - \frac{1}{n_f^2} \right)$	$(D)$ Angular momentum is quantized

Which of the following statements is $CORRECT$?

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