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
Assertion : $HClO_4$ is a stronger acid than $HClO_3$.
Reason : Oxidation state of $Cl$ in $HClO_4$ is $+VII$ and in $HClO_3$ is $+V$.
Reason : Oxidation state of $Cl$ in $HClO_4$ is $+VII$ and in $HClO_3$ is $+V$.
Write the name of $Fe_2(SO_4)_3$ according to the stock notation method.
Easy
View SolutionConsider the following information about elements $P$ and $Q$:
Element Period and Group $Q$ Period $2$,Group $15$ $P$ Period $3$,Group $2$
Then the formula of the compound formed by $P$ and $Q$ elements is:
| Element | Period and Group |
| $Q$ | Period $2$,Group $15$ |
| $P$ | Period $3$,Group $2$ |
Then the formula of the compound formed by $P$ and $Q$ elements is:
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
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