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The nature of oxides \mathrm{V}_{2} \mathrm{O}_{3}$ and $\mathrm{CrO} is indexed as ' \mathrm{X}^{\prime}$ and ' $\mathrm{Y} \: ' type respectively. The correct set of X$ and $Y is :
Option: 1 X=acidic                            Y=acidic
Option: 2 X=basic                                Y=amphoteric
Option: 3 X=basic                                    Y=basic
Option: 4 X=amphoteric                                Y=basic

Answers (1)

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The nature of oxides of vanadium and chromium are given below:


V_{2}O_{3}\; \; \; \; V_{2}O_{4}\; \; \; \; V_{2}O_{5}
Basic       Basic       Amphoteric


CrO\; \; \; \; Cr_{2}O_{3}\; \; \; \; CrO_{3}
Basic      Amphoteric    Acidic

Hence, the correct answer is Option(3)

Posted by

sudhir kumar

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