WorksheetsChapter 25 - Polarity of bond and molecule
Total questions: 8
Worksheet time: 5mins
Which of the following gives the correct order of electronegativities of elements?
F > Cl > O > H
Cl > O > N > S
O > S > H > Si
Cl > N > O > F
Which of the following pairs of atoms can form a polar covalent bond?
(1) N and O
(2) C and C
(3) C and N
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
Which of the following covalent bonds is the most polar?
H---Cl
S---F
Si---O
P--Br
Which of the following molecules are non-polar?
(1) CS2
(2) H2S
(3) SF6
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
Which of the following is the correct description for a PF5 molecule?
It is a polar molecule with five polar bonds.
It is a polar molecule with all bond polarities cancelled out each other.
It is a symmetrical, non-polar molecule.
It is an asymmetrical, non-polar molecule.
Which of the following molecules are polar?
(1) NCl3
(2) CF3Cl
(3) SCl2
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
Which of the following liquids will deflect towards a charged rod?
(1) H2O
(2) CHCl3
(3) CCl4
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2), and (3)
Which of the following molecules contains polar bonds but is NOT a polar molecule?
Chlorine, Cl2
Hydrogen chloride, HCl
Trichloromethane, CHCl3
Tetrachloromethane, CCl4
