Question:
In which of the following molecules / ions $BF _{3},\,NO _{2}^{-}, NH _{2}^{-}$ and $H _{2} O$, the central atom is $sp ^{2}$
hybridized ?
In which of the following molecules / ions $BF _{3},\,NO _{2}^{-}, NH _{2}^{-}$ and $H _{2} O$, the central atom is $sp ^{2}$
hybridized ?
Updated On: Apr 8, 2024
- $NO_2^ - $ and $NH_3$
- $BF_3 $ and $ NO_2^ - $
- $ NH_2^- $ and $H_2 O $
- $ BF_3 $ and $ NH_2^- $
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Both $BF _{3}$ and $NO _{2}^{-}$ is sp $^{2}$ hybridized.
Was this answer helpful?
0
0
Top Questions on Chemical bonding and molecular structure
Match the LIST-I with LIST-II
LIST-I (Bonds) LIST-II (Formations) A. Ionic Bonds Actual transfer of electrons from one atom to another atom B. Metallic Bonds Partial sharing of valence electrons by the neighboring atoms C. Van der Waals Bonds This type of bonding arises from dipolar interaction of crystals/molecules of the crystal. D. Hydrogen Bonds This type of interaction between the oppositely charged ends of permanently polarized molecules.
Choose the correct answer from the options given below:- CUET (PG) - 2025
- Material Science and Technology
- Chemical bonding and molecular structure
- The potential energy of a system of two atoms is given by the expression \( U = -A/r^2 + B/r^{10} \). A stable molecule is formed with the release of 8.0 eV of energy, when the interatomic distance is 2.8 Å. The values of A and B are:
- CUET (PG) - 2025
- Material Science and Technology
- Chemical bonding and molecular structure
- Ionic compounds are
(A) Made up of positive and negative ions and attraction between ions is electrostatic
(B) Ionic bonds are non-directional
(C) Melting point and boiling point are usually low
(D) Usually soft
Choose the correct answer from the options given below:- CUET (PG) - 2025
- Nano Science
- Chemical bonding and molecular structure
- The centre of negative charge distribution in a molecule may or may not coincide with the centre of the positive charge distribution. If it does not coincide, each molecule has a permanent dipole moment. Such materials are called
- CUET (PG) - 2025
- Nano Science
- Chemical bonding and molecular structure
- If an element of high electronegativity combines with an electropositive metal then the product will be
- CUET (PG) - 2025
- Nano Science
- Chemical bonding and molecular structure
View More Questions
Questions Asked in NEET exam
A bob of heavy mass \(m\) is suspended by a light string of length \(l\). The bob is given a horizontal velocity \(v_0\) as shown in figure. If the string gets slack at some point P making an angle \( \theta \) from the horizontal, the ratio of the speed \(v\) of the bob at point P to its initial speed \(v_0\) is :
- NEET (UG) - 2025
- Pendulums
- An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheric pressure at temperature \(27^\circ\)C. The mass of the oxygen withdrawn from the cylinder is nearly equal to: [Given, \(R = \frac{100}{12} \text{ J mol}^{-1} \text{K}^{-1}\), and molecular mass of \(O_2 = 32 \text{ g/mol}\), 1 atm pressure = \(1.01 \times 10^5 \text{ N/m}^2\)]
- NEET (UG) - 2025
- Ideal-gas equation and absolute temperature
- A uniform rod of mass 20 kg and length 5 m leans against a smooth vertical wall making an angle of \(60^\circ\) with it. The other end rests on a rough horizontal floor. The friction force that the floor exerts on the rod is (take \(g = 10\) m/s\(^2\)):
- NEET (UG) - 2025
- Common forces in mechanics
- A wire of resistance \(R\) is cut into 8 equal pieces. From these pieces, two equivalent resistances are made by adding four of these together in parallel. Then these two are added in series. The net effective resistance of the combination is:
- NEET (UG) - 2025
- Resistance
- Which of the following organisms cannot fix nitrogen? A. Azotobacter
B. Oscillatoria
C. Anabaena
D. Volvox
E. Nostoc
Choose the correct answer from the options given below:- NEET (UG) - 2025
- Nitrogen Fixation
View More Questions
Concepts Used:
Chemical Bonding and Molecular Structure
Such a group of atoms is called a molecule. Obviously, there must be some force that holds these constituent atoms together in the molecules. The attractive force which holds various constituents (atoms, ions, etc.) together in different chemical species is called a chemical bond.
Types of Chemical Bonds:
There are 4 types of chemical bonds which are formed by atoms or molecules to yield compounds.
- Ionic Bonds - Ionic bonding is a type of chemical bonding which involves a transfer of electrons from one atom or molecule to another.
- Covalent Bonds - Compounds that contain carbon commonly exhibit this type of chemical bonding.
- Hydrogen Bonds - It is a type of polar covalent bonding between oxygen and hydrogen wherein the hydrogen develops a partial positive charge
- Polar Bonds - In Polar Covalent chemical bonding, electrons are shared unequally since the more electronegative atom pulls the electron pair closer to itself and away from the less electronegative atom.
Factors Affecting Bond Enthalpy in Chemical Bonding:
- Size of the Atom
- Multiplicity of Bonds
- Number of Lone Pair of Electrons Present
- Bond Angle