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Question: Answered & Verified by Expert
Match the following :


The correct match is
$\text { A } \quad B \quad C \quad D$
ChemistryChemical Bonding and Molecular StructureTS EAMCETTS EAMCET 2020 (10 Sep Shift 1)
Options:
  • A III $\quad$ II $\quad$ IV $\quad$ I
  • B III $\quad$ II $\quad$ I $\quad$ IV
  • C $\begin{array}{llll}\text { II } & \text { III } & \text { IV } & \text { I }\end{array}$
  • D $\begin{array}{llll}\| & \text { III } & \text { I } & \text { IV }\end{array}$
Solution:
2629 Upvotes Verified Answer
The correct answer is: $\begin{array}{llll}\text { II } & \text { III } & \text { IV } & \text { I }\end{array}$
$\mathrm{BF}_3$ has trigonal planar geometry. $\mathrm{B}$ has 3 bond-pairs and 0 lone pair of electrons. $\mathrm{ClF}_3$ has $\mathrm{T}$-shape geometry. $\mathrm{Cl}$ has 3 bond pairs and 2 lone-pairs of electrons. Electronic geometry will be trigonal bipyramidal.
$\mathrm{NH}_3$ has trigonal pyramidal geometry. $\mathrm{N}$ has 3 bond pairs and 1 lone-pair of electrons.
$\mathrm{NH}_4^{+}$has tetrahedral geometry. $\mathrm{N}$ has 4 bond pairs.
Hence, correct match is
$\mathrm{A} \rightarrow \mathrm{II}, \mathrm{B} \rightarrow \mathrm{III}, \mathrm{C} \rightarrow \mathrm{IV}, \mathrm{D} \rightarrow \mathrm{I}$

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