1. Tardigrade
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  3. Chemistry
  4. Which of the following is most stable ?

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Q. Which of the following is most stable ?

NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure

Solution:

In (C) and (D) there is $lp-bp$ repulsions. The size of methyl group is greater than $F$ , hence (B) experience greater repulsion than (A).

according to bent rule more electronegative atom occupy axial position because axial position has more p- character, so 2 F atoms placed at axial first then rest of F atom occupy equatorial position.