MHT CET · Chemistry · Chemical Bonding and Molecular Structure
Which of the following molecules has no lone pair of electrons on central atom?
- A \(\mathrm{SO}_2\)
- B \(\mathrm{SF}_6\)
- C \(\mathrm{NH}_3\)
- D \(\mathrm{SF}_4\)
Answer & Solution
Correct Answer
(B) \(\mathrm{SF}_6\)
Step-by-step Solution
Detailed explanation
\(\begin{array}{|c|c|}
\hline Molecule & \begin{array}{c}
No. of lone pairs on the \\
central atom
\end{array} \\
\hline \mathrm{SO}_2 & 1 \\
\hline \mathrm{SF}_6 & 0 \\
\hline \mathrm{NH}_3 & 1 \\
\hline \mathrm{SF}_4 & 1 \\
\hline
\end{array}\)
\hline Molecule & \begin{array}{c}
No. of lone pairs on the \\
central atom
\end{array} \\
\hline \mathrm{SO}_2 & 1 \\
\hline \mathrm{SF}_6 & 0 \\
\hline \mathrm{NH}_3 & 1 \\
\hline \mathrm{SF}_4 & 1 \\
\hline
\end{array}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Which amino acid from following is NOT synthesized in our body?MHT CET 2025 Easy
- Which from the following coordinate complexes contains anionic and neutral ligands in it?MHT CET 2023 Easy
- Which among the following alkali metal elements is used as coolant in fast breeder nuclear reactors.MHT CET 2020 Easy
- How many isomers of \(\mathrm{C}_4 \mathrm{H}_{11} \mathrm{~N}\) are secondary amines?MHT CET 2024 Medium
- Calculate molar conductivity at infinite dilution for \(\mathrm{NaBr}\) if molar conductivity at infinite dilution for \(\mathrm{NaCl}, \mathrm{KBr}\) and \(\mathrm{KCl}\) are 126, 152 and \(150 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\) respectivelyMHT CET 2022 Hard
- Which from following statements is true about internal energy?MHT CET 2024 Medium
More PYQs from MHT CET
- Assuming the atom is in the ground state, the expression for the magnetic field at a point nucleus in hydrogen atom due to circular motion of electron is \(\left[\mu_0=\right.\) permeability of free space, \(m\) \(=\) mass of electron, \(\in_0=\) permittivity of free space, \(\mathrm{h}=\) Planck's constant]MHT CET 2021 Hard
- Let \(\overline{\mathrm{a}}=\hat{\mathrm{i}}+\hat{\mathrm{j}}+\hat{\mathrm{k}}, \overline{\mathrm{b}}=\hat{\mathrm{i}}-\hat{\mathrm{j}}+\hat{\mathrm{k}}\) and \(\overline{\mathrm{c}}=\hat{\mathrm{i}}-\hat{\mathrm{j}}-\hat{\mathrm{k}}\) be three vectors. A vector \(\overline{\mathrm{v}}\) in the plane of \(\overline{\mathrm{a}}\) and \(\overline{\mathrm{b}}\), whose projection on \(\overline{\mathrm{c}}\) is \(\frac{1}{\sqrt{3}}\), is given byMHT CET 2024 Easy
- What is the value of \(\Delta \mathrm{S}_{(\text {total })}\) for following reaction at \(300 \mathrm{~K}\) \(\mathrm{Fe}_{2} \mathrm{O}_{3(\mathrm{~s})}+3 \mathrm{CO}_{(\mathrm{g})} \longrightarrow 2 \mathrm{Fe}_{(\mathrm{s})}+\) \(3 \mathrm{CO}_{2(\mathrm{~g})} \Delta \mathrm{H}^{\circ}=-25 \mathrm{~kJ}, \Delta \mathrm{S}^{\circ}=15 \mathrm{JK}^{-1}\)MHT CET 2020 Hard
- If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the electron isMHT CET 2018 Medium
- If \(\mathrm{f}(\mathrm{x})=\frac{\mathrm{k} \sin \mathrm{x}+2 \cos \mathrm{x}}{\sin \mathrm{x}+\cos \mathrm{x}}\) is strictly increasing for all real values of \(x\), thenMHT CET 2025 Medium
- If \(y=4 x-5\) is a tangent to the curve \(y^2=\mathrm{p} x^3+\mathrm{q}\) at \((2,3)\), then \(\mathrm{p}-\mathrm{q}\) isMHT CET 2023 Easy