MCQ
The elements $X,\,Y$ and $Z$ forms oxides which are acidic, basic and amphoteric respectively, then correct order of their electronegativities is
- A$X > Y > Z$
- B$Z > Y > X$
- ✓$X > Z > Y$
- D$Y > X > Z$
hence $EN$ of $X$ is maximum
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$(I) \,C_6H_5CH_3$
$(II)\, C_6H_5COOH$
$(III)\, C_6H_6$
$(IV) \,C_6H_5NO_2$
Furan, Thiophene, Pyridine, Pyrrole, Cysteine, Tyrosine