Match the scientists given in List-$I$ with their discoveries given in List-$II$. 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
| 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 |
(D) The correct matches are:
$(1)$ Kossel and Lewis proposed the $(D)$ Octet Rule.
$(2)$ Langmuir introduced the concept of $(C)$ Covalent Bond.
$(3)$ Sidgwick and Powell proposed the $(A)$ $VSEPR$ theory.
$(4)$ Heitler and London proposed the $(E)$ Valence Bond Theory.
$(5)$ $F$. Hund and Mulliken proposed the $(B)$ Molecular Orbital Theory.
Thus,the correct sequence is $(1-D, 2-C, 3-A, 4-E, 5-B)$.
$(1)$ Kossel and Lewis proposed the $(D)$ Octet Rule.
$(2)$ Langmuir introduced the concept of $(C)$ Covalent Bond.
$(3)$ Sidgwick and Powell proposed the $(A)$ $VSEPR$ theory.
$(4)$ Heitler and London proposed the $(E)$ Valence Bond Theory.
$(5)$ $F$. Hund and Mulliken proposed the $(B)$ Molecular Orbital Theory.
Thus,the correct sequence is $(1-D, 2-C, 3-A, 4-E, 5-B)$.
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