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The electronegativities of a atoms D,E,F...

The electronegativities of a atoms D,E,F and G are as follows: D=3.8, E=3.3,F=2.8and G=1.3 If the atoms form molecules DE, DG,EG and DF, the increasing order of covalent character in them is

A

`DG lt EG lt DF lt DE`

B

`DF lt DG lt DE lt EG`

C

`DG ltDF lt EG lt ED`

D

`DE lt EG lt DG lt DF`

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