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Chemical Bonding Chemistry - Chemical Bonding

ICSE - STD 10 - Chemistry (ICSE - English Medium). 170 questions in this chapter.

Question types

Chemical Bonding question types

170 questions across 7 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.

170
Questions
7
Question groups
5
Question types
Sample Questions

Chemical Bonding questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
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
  • ✓
    not conduct electricity

Answer: D.

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Q 2MCQ1 Mark
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a :
  • A
    low melting point and high boiling point
  • B
    high melting point and low boiling point
  • ✓
    low melting point and low boiling point
  • D
    high melting point and high boiling point

Answer: C.

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Q 3MCQ1 Mark
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
  • ✓
    covalent
  • D
    molecular

Answer: C.

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Q 4MCQ1 Mark
Element $M$ forms a chloride with the formula $MCl _2$ which is a solid with high melting point. $M$ would most likely be in the group in which $...............$ is placed.
  • A
    $Na$
  • ✓
    $Mg$
  • C
    $Al$
  • D
    $Si$

Answer: B.

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Q 5MCQ1 Mark
When a metal atom becomes an ion,
  • ✓
    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

Answer: A.

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Q 8[2 Mark Question Answer]2 Marks
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
(a) What type of bond will be formed between X and Y?
(b) Write the formula of the compound formed.
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Q 9[2 Mark Question Answer]2 Marks
In the formation of the compound $XY _2$, an atom $X$ gives one electron to each $Y$ atom. What is the nature of bond in $XY _2$ ? Draw the electron dot structure of this compound.
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Q 19[1 Mark Question Answer]1 Mark
The element $X$ has the electronic configuration $2, 8, 18, 8, 1$. Without identifying $x$,
(a) predict the sigh and charge on a simple ion of $X$.
(B) write if $X$ be an oxidizing agent or reducing agent and why.
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Q 21Fill in the blanks.1 Mark
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound , the element A will be obtained at the _________ and B at the ___________ of the electrolytic cell.
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Q 22Fill in the blanks.1 Mark
Complete the following:
The ions in ……………… compounds are held very strongly due strong ……. Forces (electrovalent, covalent, electromagnetic, electrostatic).
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Q 24Fill in the blanks.1 Mark
Complete the following:
In case of non-polar covalent bond, the covalent bond is formed in the ……………. Of atoms and shared electrons are …………. Distributed (corner, middle, equally, unequally).
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Q 25Fill in the blanks.1 Mark
Complete the following:
When the nuclei of two different reacting atoms are of ……………… mass, then a bond so formed is called ……………… covalent band (Equal, unequal, polar, non-polar).
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Q 27[5 Mark Question Answer]5 Marks
Potassium (Atomic No. $19$) and chlorine (Atomic No. $17$) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
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Q 32Match The Following.4 Marks
Column AColumn B
(1) Covalent compound(a) Methane (CH4)
(2) Non-polar(b) Sodium chloride $( NaCl )$
(3) Polar(c) Chloride ion ( $Cl -$ )
(4) Electrovalent compound(d) Carbon dioxide (CO2)
 (e) Hydrogen chloride ( HCl )
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