Chemistry Chapter 6 – Chemical Bonding (Class 11) for FSC, Entry Tests & NTS Preparation
Chapter 6, Chemical Bonding, is an important topic for Class 11 students preparing for FSC board exams and medical/engineering entry tests like MDCAT, NUMS, AKU, NUST, ECAT, and NTS exams. This chapter explains how atoms combine to form molecules, the types of chemical bonds, and the principles that determine the structure and stability of compounds. Understanding chemical bonding is essential for studying molecular geometry, reactions, and properties of substances.
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H2O has a higher boiling point than HF because:
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The order of force of repulsion between lone pairs and Bond pairs is?
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Hybridization in BeCl2 Is a
The dipole moments of the given molecules (BF3, NF3, NH3) are such that:
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Ionization potential
Methane has geometry
Bond energy between nitrogen atoms in N2 molecule is:
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How many orbitals intermix in sp hybridization?
The common features, among the species CN, CO and NO are:
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Dipole moment of H2 is:
The substance which conducts electricity by the movement of ions:
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Paramagnetism is due to:
An ionic compound is most likely to be formed when:
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How many bonds are there in CO?
Which of the following has the largest dipole moment?
Which compound shows maximum hydrogen bonding with water?
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Bond energy:
I. is the energy required to break a bond between two atoms in a diatomic molecule
II. Is taken as the energy released in forming a bond form free atoms
III. Is the measure of the strength of bond
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Which one of these is paramagnetic?
The geometry of H2S and its dipole moment are:
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Every sp3 orbital is oriented in space In such a way that angle between them is:
Ionic, covalent and co-ordinate covalent bonds are simultaneously present in the molecular geometry of:
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Silicon is found in nature in form of:
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Which noble gas has highest ionization energy?
Which of the following is paramagnetic
The molecule with zero dipole moment is:
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The number of sigma and pi bonds in 1-butene-3-yne?
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GN lewis described which one of the following bonds?
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Lithium and beryllium are unique in such a way that they have higher charge densities which produce strong polarizing effects due to:
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sp3 hybridization in CH4 gives it ______ geometry.
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In HF the covalent bond is due to:
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Which of the following molecules has no net dipole moment?
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Acetone and Chloroform are soluble into each other due to:
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States of Matter
States of Matter – Gases, Liquids and Solids
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Which of the following has a lone pair of electrons on the central atom?
which type of hybridization doesn’t exist?
The shape of SnCl2 is:
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Linear combination of atomic orbitals (LCAO) results in the formation of:
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Both ionic and covalent bonds are present in:
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The number of bond(s) between carbon and nitrogen atoms in a Nitrile is:
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The boiling point of water is higher than other hydrides because water molecules can form:
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Which of the following has greatest electronegativity?
Paramagnetism is due to:
Which pair has species with different shapes?
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Co-ordinate covalent bond Is not formed in which of the following
In water molecules, oxygen atom is hybridized as
The decreasing order of second ionization energy of K, Ca, Ba is:
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Ionization energy depends upon:
Sigma bond is formed by:
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In period, moving from left to right
Second Ionization energy of M atom
Which of the following ions will show maximum hydration?
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Which of the following is the correct order of electronegativity (from highest to lowest)?
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s and p Block Elements
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If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:
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Which of the following hybrid orbitals has maximum “s” character?
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Which of the following contains the coordinate covalent bond?
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Surface tension in a liquid is caused by?
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Down the group atomic radii increases due to?
Which of the following has the highest value of electronegativity?
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Electrical conductivity depends upon _______.
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The raindrop acquires a spherical shape and ink spread over blotting paper due to:
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An ionic compound is most likely to be formed when:
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Electronegativity is defined as the power of an atom in a molecule to
H2S is an example of ______ hydride.
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The bonds present in N2O5 are:
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Geometry of SF6 is:
The first ionization energy is maximum for:
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Which theory deals with hybridization of orbitals?
Structure of ammonia is:
Triatomic molecules have following movements:
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Which of the following has maximum Hydration power?
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Bond angle of Ethane is:
Which of the following is the highest electronegative element?
Which of the following has maximum Ionization energy?
The compound in which carbon uses only its sp3 – hybrid orbitals for bond formation is?
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Which of the following molecules have zero Dipole moments?
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The bond angle of NF3 is:
The hybridization of atomic orbitals of N2+, NO3-, and NH4+are, respectively:
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Which one of the following has the lowest % ionic character?
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The Lattice energy is also called as:
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Key Concepts about Chemical Bonding
The chapter explains ionic, covalent, and coordinate bonds, including their formation, characteristics, and examples. It covers concepts such as bond polarity, electronegativity, resonance, and hydrogen bonding. The chapter also discusses the shapes of molecules, VSEPR theory, hybridization, and the relationship between bond strength, bond length, and stability. Each concept is illustrated with diagrams, examples, and step-by-step explanations. These concepts are highly important for FSC board exams and entry tests like MDCAT, NUMS, AKU, NUST, and ECAT.
Free Entry Test Preparation
Mastery of chemical bonding helps students understand molecular structure, predict chemical behavior, and solve numerical and conceptual problems effectively. PLS Academy provides practice questions, solved past papers, and chapter-wise MCQs to help students revise these topics systematically. Regular study of this chapter improves problem-solving skills, conceptual clarity, and exam performance, ensuring students are well-prepared for FSC board exams, competitive entry tests, and NTS exams.
JazakAllah.
