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NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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The pair of elements which on combination are most likely to form an ionic compound is:
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Correct option: B
Kand O2\mathrm{K and}\,{\mathrm{O}_2}
Option B (K and O2) is correct because potassium (K) is a highly electropositive metal and oxygen (O2) is a highly electronegative non-metal, leading to a large difference in electronegativity and thus ionic bond formation.

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The example of the p−pp - p-orbital overlapping is the formation of: Which is expected to conduct electricity? Hybridization involves: Which of the following is correct? Which has the lowest anion to cation size ratio? Which species has the highest bond order?
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