Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
EasyWrite the name of $Cr_2O_3$ according to stock notation.
- AChromium $(II)$ oxide
- BChromium $(III)$ oxide
- CChromium $(IV)$ oxide
- DChromium $(VI)$ oxide
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Similar Questions
Which among the following pairs of elements show the highest oxidation state of $+7$ in their different compounds? (Atomic numbers: $Cr=24, V=23, Mn=25, Cl=17, S=16$)
Which of the following elements exhibits variable oxidation states?
Easy
View SolutionUsing the Periodic Table,predict the formulas of compounds which might be formed by the following pairs of elements:
$(a)$ Silicon and bromine
$(b)$ Aluminium and sulphur
$(a)$ Silicon and bromine
$(b)$ Aluminium and sulphur
Medium
View SolutionConsider the following information about elements $P$ and $Q$:
Element Information $P$ Period number: $2$,Group number: $15$ $Q$ Period number: $3$,Group number: $2$
Then,the formula of the compound formed by elements $P$ and $Q$ is:
| Element | Information |
|---|---|
| $P$ | Period number: $2$,Group number: $15$ |
| $Q$ | Period number: $3$,Group number: $2$ |
Then,the formula of the compound formed by elements $P$ and $Q$ is:
Difficult
View SolutionSelect the $CORRECT$ order of stability.
Medium
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