MCQs of Chapter # 05 [Chemical bonding] Class IX

 

Chemistry IX

MCQs [Chapter# 05]

i.                    Ionic bond is formed by:

a.       Mutual sharing of electron

b.      Side sharing of electron

c.       Complete sharing of electron

d.     None of the above

 

ii.                 Sodium loses electron to form NaCl:

a.      1 electron

b.      2 electron

c.       3 electron

d.      7 electron

 

iii.               Ionic compounds have:

a.      High melting and high boiling point

b.      Low melting and low boiling point

c.       High melting and low boiling point

d.      Low melting and high boiling point

 

iv.                Carbon has valence:

a.       1

b.      2

c.       3

d.     4

 

v.                  Covalent bond is formed by:

a.       Single  sharing of electron

b.      Double  sharing of electron

c.       Triple sharing of electron

d.     All of the above

 

vi.                Double covalent bond represents by:

a.       One short line

b.     Two short line

c.       Three short line

d.      Arrow

 

vii.             Polar covalent bond is formed when electronegative value is up to:

a.       1.0

b.      1.3

c.       1.5

d.     1.7

 

viii.           Arrow is used to represent:

a.       Ionic bond

b.      Covalent bond

c.      Coordinate covalent bond

d.      All of the above

 

ix.                NH₄Cl is an example of:

a.       Ionic bond

b.      Covalent bond

c.      Coordinate covalent bond

d.      All of the above

 

x.                  The best example of Hydrogen bond is:

a.       HF

b.      HCl

c.      H₂O

d.      All of the above

 

xi.                CO₂ is an example of:

a.       Ionic bond

b.     Covalent bond

c.       Coordinate covalent bond

d.      None of these

 

xii.             Following are the characteristics of covalent bond except:

a.       They are insulators

b.     They have high melting and boiling point

c.       They are non-electrolytes

d.      They are volatile