Chapter 3: Chemical Bonding | NEET | Chemistry | DPPs

 

NEET- BIOLOGY

Hey! We hope you all will be doing good. RankersHub.blogspot.com is a website for all NEET Aspirants, which will help you to practice more questions which will ultimately result in a good rank. Here I have given all chapters DPPs (with solutions) which is included in the syllabus of NEET.

Chapters covered: 

Class 11: 

Physics: Physical World, Units and Measurements, Motion in a Staright Line, Motion in a Plane, Laws of Motion, Work, Energy and Power, System of Particles and Rotational Motion, Gravitation, Mechanical Properties of Solids, Mechanical Properties of Fluids, Thermal Properties of Matter, Thermodynamics, Kinetic Theory, Oscillations, Waves.

Chemistry: Some Basic Concepts of Chemistry, Structure of The Atom, Classification of Elements and Periodicity in Properties, Chemical Bonding and Molecular Structure, States of Matter, Thermodynamics, Equilibrium, Redox Reactions, Hydrogen, The S-Block Elements, The P-Block Elements, Organic Chemistry - Some Basic Principles and Techniques, Hydrocarbons, Environmental Chemistry.

Biology: The Living World, Biological Classification, Plant Kingdom, Animal Kingdom, Morphology of Flowering Plants, Anatomy of Flowering Plants, Structural Organisation in Animals, Cell The Unit of Life, Biomolecules, Cell Cycle and Cell Division, Transport in Plants, Mineral Nutrition, Photosynthesis in Higher Plants, Respiration in Plants, Plant Growth and Development, Digestion and Absorption, Breathing and Exchange of Gases, Body Fluids and Circulation, Excretory Products and their Elimination, Locomotion and Movement, Neural Control and Coordination, Chemical Coordination and Integration.

Class 12: 

Physics: Electric Charges And Fields, Electrostatic Potential And Capacitance, Current Electricity, Moving Charges And Magnetism, Magnetism And Matter, Electromagnetic Induction, Alternating Current, Electromagnetic Waves, Ray Optics and Optical Instruments, Wave Optics, Dual Nature Of Radiation And Matter, Atoms, Nuclei, Semiconductor Electronics Materials Devices And Simple Circuits, Communication Systems.

Chemistry: The Solid State, Solutions, Electro chemistry, Chemical Kinetics, Surface Chemistry, General Principles and Processes of Isolation of Elements, The p Block Elements, The d and f Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols Phenols and Ethers, Aldehydes Ketones and Carboxylic Acids, Amines, Biomolecules, Polymers, Chemistry in Everyday Life.

Biology: Reproduction in Organisms, Sexual Reproduction in Flowering Plants, Human Reproduction, Reproductive Health, Principles of Inheritance and Variation, Molecular Basis of Inheritance, Evolution, Human Health and Disease, Strategies for Enhancement in Food Production, Microbes in Human Welfare, Biotechnology - Principles And Processes, Biotechnology and its Applications, Organisms and Populations, Ecosystem, Biodiversity and Conservation, Environmental Issues.

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How are these dpps useful to u?

1)These dpps can be used to prepare for various Engineering as well as Medical exams such as IT JEE Mains & Advance, MHT CET, VITEEE, KIITEE, WBJEE ,NEET, AIIMS, JIPMER, PGIMER), CBSE Board, ICSE Board, Class 12th, 11th.

2) We are providing u very important dpps which can be proven useful to Many students to crack competitive exams as well as board examinations

MCQS

1)An ionic bond can be formed between two atoms when

(a) one of them has a low ionization energy and the other a high

electron affinity

(b) both the atoms have low values of ionization energy

(c) both the atoms have high values of ionization energy

(d) both the atoms have low values of electron affinity

Solutions- At the end

2. Which of the following is required for the formation of an ionic bond?

(a) An electron from the more electronegative element should be

transferred to the less electronegative element.

(b) The total energy of the resulting molecule should be less than the

total energy of the reactants.

(c) The lattice energy of the resultant molecule should be as low as

possible.

(d) The ionic potentials of the reactants should be identical.

Solutions- At the end

3. The cohesive energy of an ionic crystal is the energy

(a) liberated during its formation from individual neutral atoms

(b) absorbed during its formation from individual neutral atoms

(c) liberated during the formation of positive ions

(d) absorbed during the formation of negative ions

Solutions- At the end

4. Which of the following statements is incorrect?

(a) NH3 is more basic than PH3.

(b) NH3 has a higher boiling point than that of HF.

(c) N2 is more inert than P4.

(d) The dipole moment of NH3 is less than that of SO2.

Solutions- At the end

5. An ionic solid is a poor conductor of electricity because

(a) ions do not conduct electricity

(b) the charge on the ions is uniformly distributed

(c) ions occupy fixed positions in solids

(d) ions have uniform fields of influence

Solutions- At the end

6. According to Fajans’ rules, ionic bonds are formed when cations have

(a) low positive charge and large size

(b) low positive charge and small size

(c) high positive charge and large size, and anions have a small size

(d) a low positive charge and large size, and anions have a small size

Solutions- At the end

7. A covalent bond is formed between two atoms when

(a) one or more pairs of electrons are shared by the two atoms

(b) the two atoms are of the same size

(c) the electronegativities of the two atoms differ considerably

(d) the electron affinities of the two atoms are the same

Solutions- At the end

8. Among of the following molecules, which is the most ionic?

(a) CaCl2 (b) SnCl2 (c) NaCl (d) CuCl

Solutions- At the end

9. Among the following, which has maximum hardness?

(a) NaF (b) Al2O3 (c) MgF2 (d) TiO2

Solutions- At the end

10. Which of the following has the highest bond energy?

(a) F2 (b) Cl2 (c) Br2 (d) I2

Solutions- At the end

Solutions

1) Ans: a

2) Ans: b

3) Ans: d

4) Ans: b

5) Ans: c

6) Ans: d

7) Ans: a

8) Ans: c

9) Ans: b 

10) Ans: b