ICSE 10 Chemistry
Chemical Bonding
Question 1:
Define a coordinate bond and give conditions for its formation. [Level: Easy]
Question 2:
What do you understand by lone pair and shared pair? [Level: Easy]
Question 3:
State the type of bonding in the following molecules:
(a) Water
(b) Calcium oxide
(c) Hydroxyl ion
(d) Methane
(e) Ammonium ion
(f) Ammonium chloride Solution [Level: Moderate]
Question 4:
Give two examples in each case:
(i) Co-ordinate bond compounds
(ii) Solid covalent compounds
(iii) Gaseous polar compounds
(iv) Gaseous non-polar compounds
(v) Liquid non-polar compounds [Level: Moderate]
Question 5:
(a) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(b) How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration? [Level: Moderate]
Question 6:
Electrons are getting added to an element Y:
(i) Is Y getting oxidised or reduced?
(ii) What charge will Y migrate to during the process of electrolysis? [Level: Easy]
Question 7:
Explain why carbon tetrachloride does not dissolve in water. [Level: Easy]
Question 8:
(a) Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
(b) Can Q and S both be metals? Justify your answer. [Level: Easy]
Question 9:
Question 10:
What are the terms defined below?
(i) A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
(ii) A bond formed by a shared pair of electrons with both electrons coming from the same atom. [Level: Difficult]
Question 11:
(b) Mg
(c) Al
(d) Si [Level: Moderate]
Question 12:
When the nuclei of two reacting atoms are of _____ mass, then a bond so formed is called _____covalent bond.
(a) equal, polar
(c) unequal, non -polar
(d) equal, non-polar [Level: Moderate]
Question 13:
In case of non-polar covalent bond, the covalent bond is formed in the _____of atoms and shared electrons are distributed _____.
(b) corner, equally
(c) middle, unequally
(d) corner, unequally [Level: Moderate]
Question 14:
The ions in ______ compounds are held very strongly due to strong _______ forces.
(a) electrovalent, electromagnetic
(b) covalent, electrostatic
(c) electrovalent, electrostatic
(d) covalent, electromagnetic [Level: Moderate]
Question 15:
Compound X consists of molecules. Choose the letter corresponding to the correct answer from the options (a), (b), (c) and (d) given below:
The type of bonding in X will be
(a) ionic
(b) electrovalent
(d) molecular [Level: Difficult]
Question 16:
Compound X consists of molecules. Choose the letter corresponding to the correct answer from the options (a), (b), (c) and (d) given below:
(a) low melting point and high boiling point
(b) high melting point and low boiling point
(c) low melting point and low boiling point
(d) high melting point and high boiling point [Level: Difficult]
Question 17:
Compound X consists of molecules. Choose the letter corresponding to the correct answer from the options (a), (b), (c) and (d) given below:
(a) become ionic
(b) be an electrolyte
(c) conduct electricity
(d) not conduct electricity [Level: Difficult]
Question 18:
The property which is characteristic of an electrovalent compound is that
(a) it is easily vaporised
(b) it has a high melting point
(c) it is a weak electrolyte
(d) it often exists as a liquid [Level: Moderate]
Question 19:
When a metal atom becomes an ion,
(a) it loses electrons and is oxidised
(b) it gains electrons and is reduced
(c) it gains electrons and is oxidised
(d) it loses electrons and is reduced [Level: Moderate]
Question 20:
The one which is composed of all the three kinds of bonds [ionic, covalent and coordinate bonds] is
(a) Sodium chloride
(b) Ammonia
(c) Carbon tetrachloride
(d) Ammonium chloride [Level: Moderate]
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In summary, problem-solving after learning a theoretical concept on CBSE Chemical Bonding ICSE 10 Chemistry is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.
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Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.
All About Daily Practice Problems on ICSE 10 Chemistry Chemical Bonding NCERT Chapter 2
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on ICSE 10 Chemistry Chemical Bonding NCERT Chapter 2 useful.
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