Question

which two bonds are most similar in polarity? which two bonds are most similar in polarity? c-f and n-f pb-o and na-o h-f and cl-f k-cl and ni-cl mg-f and i-br

Answer 1

The two bonds are most similar in polarity are Pb - O and Na - O.

let us find out the electronegativity difference  between the each pair :

a) C - F = 3.98 - 2.55 = 1.43

   N -F = 3.98 - 3.04  = 0.94

b) Pb - O = 3.44 - 2.33 = 1.11

   Na - O = 2.33 - 0.93 = 1.4

c) H - F = 3.98 - 2.2 = 1.78

   Cl - F = 3.98 - 3.16 = 0.82

d) K - Cl = 3.16 - 0.82 = 2.34

   Ni - Cl = 3.16 - 1.91 = 1.25

e) Mg - F = 3.98 - 1.31 = 2.67

   I - Br = 2.96 - 2.66 = 0.3

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