ABC26PH1228 · Quantum Chemistry

Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Huckel MO Theory · Exam: NET DEC 2012 · Marks: 2 · Difficulty: Medium

One molecular orbital of a polar molecule $A B$ has the form $c_{A} \psi_{A}+c_{B} \psi_{B}$, where $\psi_{A}$ and $\psi_{B}$ are normalized atomic orbital's centred on A and B , respectively. The electron in this orbital is found on atom B with a probability of 90\% neglecting the overlap between $\psi_{\mathrm{A}}$ and $\psi_{\mathrm{B}}$ a possible set of $\mathrm{c}_{\mathrm{A}}$ and $\mathrm{c}_{\mathrm{B}}$ is:
(a)$\mathrm{c}_{\mathrm{A}}=0.95, \mathrm{c}_{\mathrm{B}}=0.32$
(b)$\mathrm{c}_{\mathrm{A}}=0.10, \mathrm{c}_{\mathrm{B}}=0.90$
(c)$\mathrm{c}_{\mathrm{A}}=-0.95, \mathrm{c}_{\mathrm{B}}=0.32$
(d)$\mathrm{c}_{\mathrm{A}}=0.32, \mathrm{c}_{\mathrm{B}}=0.95$
Answer
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