Multiple choice

Match the molecules/molecular ions in List - I with their geometry given in List - II.

 
List - I
List - II
A. ReCl8- 1. trigonal prismatic
B. W(CH3)6 2. square antiprismatic
C. Na[CoCl2(NH3)4] 3. distorted trigonal bipyramidal
D. SeF4 4. Octahedral

  1. A - 2, B - 1, C - 4, D - 3

  2. A - 2, B - 4, C - 1, D - 3

  3. A - 1, B - 2, C - 4, D - 3

  4. A - 4, B - 1, C - 2, D - 3

  5. A - 4, B - 2, C - 1, D - 3
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A Correct answer
Explanation

ReCl8- has square antiprismatic molecular geometry (the shape of compounds where eight atoms, groups of atoms, or ligands are arranged around a central atom, defining the vertices of a square antiprism). W(CH3)6 has trigonal prismatic geometry (the shape of compounds where six atoms, groups of atoms, or ligands are arranged around a central atom, defining the vertices of a triangular prism). Na[CoCl2(NH3)4] has octahedral geometry. SeF4 has one lone pair of electrons with distorted trigonal bipyramidal shape. Hence, the representation of codes A - 2, B - 1, C - 4, D - 3 is correct.

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