Chemical Bonding MCQ / Objective Type Questions for ICSE Class-10 Chemistry . These MCQ / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming exam of council. Visit official website CISCE for detail information about ICSE Board Class-10 Chemistry .
MCQ Type Questions Chemical Bonding for ICSE Class-10 Chemistry
| Board | ICSE |
| Class | 10th (X) |
| Subject | Chemistry |
| Chapter | Chemical Bonding |
| Syllabus | on bifurcated syllabus (after reduction) |
| Session | 2021-22 |
| Topic | MCQ / Objective Type Question |
ICSE Class-10 Chemistry MCQ Type Questions of Chemical Bonding
Question 1: What is the valency of iron in FeCO3 ?
(a) 1
(b) 2
(c) 3
(d) 4
Answer: (b) 2
Question 2: A symbol not only represents the name of the element but also its-
(a) Atomic mass.
(b) Atomic number.
(c) Atomicity.
(d) Atomic volume.
Answer: (a) Atomic mass.
Question 3: The reason of bonding in ionic compounds is –
(a) Sharing of electrons
(b) Repulsion force
(c) Attraction force
(d) None of these
Answer: (c) Attraction force
Question 4: Ionic compounds have melting points due to Ionic bonds.
(a) high, weak
(b) high, strong
(c) low, strong
(d) low, weak
Answer (b) high, strong
Question 5: Polar solvent is –
(a) Carbon tetra chloride
(b) Water
(c) Benzene
(d) None of these
Answer: (b) Water
Question 6: are identical to a normal covalent compound.
(a) Coordinate bond
(b) metallic bond
(c) Ionic bond
(d) None of these
Answer (a) Coordinate bond
Question 7: Molecular reactions are generally slow reactions and they are shown by ………….. Compounds.
(a) Both ionic and covalent
(b) Coordinate
(c) Ionic
(d) Covalent
Answer (d) Covalent
Question 8: Co-ordination bond is formed
(a) By exchange of electrons.
(b) By equal sharing of electrons.
(c) By one way sharing of electrons.
(d) None of these.
Answer: (c) By one way sharing of electrons.
Question 9: A molecule of…….. Contains a triple bond.
(a) sulphur
(b) nitrogen
(c) carbon
(d) oxygen
Answer (b) nitrogen
Question 10: Ionic compounds consist of ……………….. Charge ions.
(a) oppositely
(b) equallyy
(c) negatively
(d) positively
Answer (a) oppositely
Question 11: The physical state of ionic compounds is …………
(a) vapour state
(b) molten state
(c) solid state
(d) None of these
Answer (c) solid state
Question 12: A solution of a ………………. will contain both ions and molecules of the solute.
(a) covalent compound
(b) strong electrolyte
(c) weak electrolyte
(d) None of the above
Answer (c) weak electrolyte
Question 13: A reducing agent is a substance which can …………….
(a) Accept electron
(b) Accept protons
(c) Donate electrons
(d) Donate protons
Answer (c) Donate electrons
Question 14: Due to the presence of strong electrostatic forces of attraction between ions, ionic compounds.
(a) Have high melting and boiling points
(b) Conduct electricity in solid state
(c) Dissolve in kerosene
(d) All of the above
Answer (a) Have high melting and boiling points
Question 15: A compound conduct electricity in the fused state. The compound is made-up of …………….
(a) non-metals
(b) ions
(c) metals
(d) alloys
Answer (b) ions
Question 16: The duplet or octet structure of valence shell makes ……………… of an element chemically ……………..
(a) atom, inactive
(b) atom, active
(c) ions, active
(d) ions, inactive
Answer (a) atom, inactive
Question 17: In the sodium chloride crystal, each Na+ ion is surrounded by Cl- ions and each Cl- ion by …………. Na+ ions,
(a) five, five
(b) six, six
(c) three, three
(d) six, five
Answer (b) six, six
Question 18: Covalent bond is rigid and directional, it is responsible for………..
(a) rigidity of the molecule
(b) definite shape of the molecule
(c) fluidity of the molecule
(d) None of the above
Answer (b) definite shape of the molecule
Question 19: Most covalent compounds have density that of water.
(a) more than
(b) equal to
(c) less than
(d) None of these
Answer (c) less than
Question 20: The water molecules easily break the . bonds between the oppositely charged ions. The ions drift in water in all possible directions and hence electrovalent compounds n water.
(a) covalent, dissolve
(b) covalent, do not dissolve
(c) ionic, dissolve
(d) ionic, do not dissolve
Answer (c) ionic, dissolve
Question 21: In covalent compounds, the bond is formed due to the………………
(a) sharing of electrons
(b) donation of electrons
(c) high electronegativity of atoms
(d) high electron affinity of atoms
Answer (a) sharing of electrons
Question 22: The electronegativities of atoms giving covalent molecules are generally…
(a) equal
(b) high
(c) low
(d) keeps changing
Answer (a) equal
Question 23: Atoms of the same element combine to form molecules by means of bonds.
(a) ionic
(b) coordinate
(c) covalent
(d) electrovalent
Answer (c) covalent
Question 24: Why do atoms share electrons in covalent bonds?
(a) to increase their atomic numbers
(b) to attain a noble-gas electron configuration
(c) to become more polar
(d) to become ions and attract each other
Answer (b) to attain a noble-gas electron configuration
Question 25: In NH4+ all the four bonds are….
(a) not identical
(b) coordinate
(c) covalent
(d) identical
Answer (d) identical
Question 26: All atoms other than noble gas atoms are reactive because:
(a) They have tendency to complete octet
(b) They have tendency to combine with other atoms
(c) Both (a) and (b)
(d) None of the above
Answer (c) Both (a) and (b)
Question 27: Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
(a) Ammonia
(b) Ammonium chloride
(c) Sodium hydroxide
(d) Calcium chloride
Answer (b) Ammonium chloride
Question 28: The atomic number of oxygen is 8, The total number of electrons in the O²- on is.
(a) 10
(b) 6
(c) 8
(d) 9
Answer (a) 10
Question 29: Melting and boiling points of covalent compounds are generally…………..
(a) same
(b) low
(c) high
(d) Both (a) and (b)
Answer (b) low
Question 30: A polar covalent bond will be formed in which one of these pair of atoms:
(a) HF
(b) H2
(c) Cl2
(d) O2
Answer (a) HF
Question 31: Ionic bond is present in which of the following species:
(a) O2
(b) CHCl3
(c) CCl4
(d) NaBr
Answer (d) NaBr
Question 32: The type of bonding in HCI molecule is:
(a) Polar covalent bond
(b) Pure covalent
(c) Non-polar
(d) Hydrogen bonding
Answer (a) Polar covalent bond
Question 33: Formation of a compound through ionic bond the ionization energy of the metal ion.
(a) does not depends on
(b) depend on
(c) is independent regarding
(d) may or may not depend on
Answer (b) depend on
Question 34: The molecule containing a triple covalent bond is:
(a) Ammonia
(b) Water
(c) Methane
(d) Nitrogen
Answer (d) Nitrogen
Question 35: Covalent bond is formed between
(a) Metal and non-metal
(b) Metals
(c) Two non-metals
(d) Non-metal and an ion
Answer (c) Two non-metals
Question 36: Valency of aluminium is:
(a) 2
(b) 4
(c) 3
(d) 5
Answer (c) 3
Question 37: Identify the molecule with a single covalent bond.
(a) CO2
(b) CO
(c) Cl2
(d) N2
Answer (c) Cl2
Question 38: Elements which gains electrons is known as:
(a) Electropositive elements
(6) Electronegative elements
(c) Covalent atom
(d) Anion
Answer (d) Anion
Question 39: Aluminium has a tendency to lose:
(a) 2 electron
(b) 4 electron
(c) 1 electron
(d) 3 electron
Answer (d) 3 electron
Question 40: Which of the following is a common characteristic of a covalent compound ?
(a) high melting point
(b) consists of molecules
(c) always soluble in water
(d) conducts electricity when it is in the molten state
Answer (b) consists of molecules
Question 41: Which element forms two different stable chlorides ?
(a) Calcium
(b) Phosphorus
(c) Sulphur
(d) Oxygen
Answer (b) Phosphorus
Question 42: A gas having double bonds is:
(a) Carbon monoxide
(b) Oxygen
(c) Carbon dioxide
(d) None of these
Answer (b) Oxygen
Question 43: The ion formed by gain of electrons is known as:
(a) Cation
(b) Super ion
(c) Anion
(d) Both (a) and (b)
Answer (c) Anion
Question 44: Lead chloride is:
(a) Covalent compound
(b) Covalent and co-ordinate bonded compound
(c) Ionic compound
(d) None of these
Answer (c) Ionic compound
Question 45: Hydrogen ion called proton due to:
(a) Hydrogen ion is only composed of one proton
(b) Hydrogen ion is only reacting with one Chloride ion
(c) Hydrogen ion is present in “S’ group of Periodic table
(d) Hydrogen ion is highly unstable
Answer (a) Hydrogen ion is only composed of one proton
Question 46: An anion carries negative charge because:
(a) Anion has more protons than electrons
(b) Anion has more electrons than protons
(c) Anion has more neutron than electrons
(d) Anion has positive charge and has instability
Answer (b) Anion has more electrons than protons
Question 47: Electrovalent compounds have high melting & boiling points due to the reason of:
(a) Electrovalent compounds show attraction to other ions in their vicinity
(b) Electrovalent compounds show weak attraction to other ions in their vicinity
(c) Electrovalent compounds show high volatility
(d) None of the above
Answer (a) Electrovalent compounds show attraction to other ions in their vicinity
–: End of Chemical Bonding MCQ / Objective Type Questions for ICSE Class-10 :-
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