Which of the following cations is the most st | vedclass

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(C) The stability of these cations depends on the electronegativity of the central atom. According to the principle of electronegativity,a more electr

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$NH_4^+$

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(C) The stability of these cations depends on the electronegativity of the central atom. According to the principle of electronegativity,a more electronegative atom holds a positive charge more effectively than a less electronegative atom. The electronegativity values of the central atoms are: $C (2.5) However,in these specific species,$NH_4^+$ is a well-known,highly stable species (ammonium ion) where the nitrogen atom completes its octet and forms four stable covalent bonds. $CH_5^+$ is a hypervalent species (methonium ion) that is less stable. $OH_3^+$ (hydronium ion) and $FH_2^+$ are also known,but $NH_4^+$ is the most stable among the given options due to the favorable electronic configuration and octet completion.

List-$I$	List-$II$
$(1)$ Kossel and Lewis	$(A)$ $VSEPR$
$(2)$ Langmuir	$(B)$ Molecular Orbital Theory
$(3)$ Sidgwick and Powell	$(C)$ Covalent Bond
$(4)$ Heitler and London	$(D)$ Octet Rule
$(5)$ $F$. Hund and Mulliken	$(E)$ Valence Bond Theory

Which of the following cations is the most stable?

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