Answer:
(Less Covalent Bond) DG EG DF DE (Most Covalent Bond)
Explanation:
1. List the electronegativities of the atoms:
D = 3.8
E = 3.3
F = 2.8
G = 1.3
2. Find the difference of electronegativities of the compounds formed:
DE = 3.8-3.3 = 0.5
DG = 3.8 - 1.3 = 2.5
EG = 3.3 - 1.3 = 2.0
DF = 3.8 - 2.8 = 1.0
3. Covalent bonds are formed with the smallest differrence of electronegativity between its atoms, so the order will be:
(Less Covalent Bond) DG EG DF DE (Most Covalent Bond)
The strength covalent bond in acceding order of DG < EG < DF < DE
The electronegativities if the given atoms,
D = 3.8
E = 3.3
F = 2.8
G = 1.3
As we know the covalent bond is stronger when the difference in electronegativities between atom is higher.
The difference in electronegativities of molecules,
DE = 3.8-3.3 = 0.5
DG = 3.8 - 1.3 = 2.5
EG = 3.3 - 1.3 = 2.0
DF = 3.8 - 2.8 = 1.0
Hence, we can conclude that the covalent bond of DG < EG < DF < DE.
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