JEE Main · 2022 · 26 Jun 2022 · Shift 2 · Chemical Bonding and Molecular Structure

More JEE Main questions on Chemical Bonding and Molecular Structure

1. Given below are two statements:
   
   Statement I: The number of species among ${\mathrm{SF}}_4$, ${\mathrm{NH}}_4^{+}$, $[{\mathrm{NiCl}}_4]$, ${\mathrm{XeF}}_4$, $[{\mathrm{PtCl}}_4{]}^{2-}$, ${\mathrm{SeF}}_4$ and $[\mathrm{Ni}(\mathrm{CN}{)}_4{]}^{2-}$, that have tetrahedral geometry …
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2. The formal changes on the atoms marked as (1) to (4) in the Lewis representation of ${\mathrm{HnO}}_3$ molecule respectively are
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3. The correct increasing order of $\mathrm{C}-\mathrm{H}(\mathrm{A})$, $\mathrm{C}-\mathrm{O}(\mathrm{B})$, $\mathrm{C}=\mathrm{O}(\mathrm{C})$ and $\mathrm{C}\equiv \mathrm{N}(\mathrm{D})$ bonds in terms of covalent bond length is:
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4. Among ${\mathrm{H}}_2\mathrm{S},{\mathrm{H}}_2\mathrm{O},{\mathrm{NF}}_3,{\mathrm{NH}}_3$ and ${\mathrm{CHCl}}_3$, identify the molecule $(\mathrm{X})$ with lowest dipole moment value. The number of lone pairs of electrons present on the central atom of the molecule …
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5. Identify the molecule $(X)$ with maximum number of lone pairs of electrons (obtained using Lewis dot structure) among $\mathrm{HNO}{}_3$, $\mathrm{H}{}_2\mathrm{SO}{}_4$, $\mathrm{NF}{}_3$ and $\mathrm{O}{}_3$. Choose the correct bond angle made by the central atom of the molecule (X).
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6. Given below are statements about some molecules/ions.
   
   Identify the CORRECT statements.
   A. The dipole moment value of ${\mathrm{NF}}_3$ is higher than that of ${\mathrm{NH}}_3$.
   B. The dipole moment value of ${\mathrm{BeH}}_2$ is zero.
   C. The bond order of …
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