Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
EasyWhat is the stock notation of Manganese dioxide?
- A$Mn(I)O_2$
- B$Mn(II)O_2$
- C$Mn(III)O_2$
- D$Mn(IV)O_2$
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Similar Questions
Variable valency is shown by
Easy
View SolutionThe formula of the oxide of an element $M$ having $IE_1 = 100 \ kJ/mol$,$IE_2 = 250 \ kJ/mol$ and $IE_3 = 1500 \ kJ/mol$ should be:
Medium
View SolutionThe most common oxidation state of an element is $-2$. The number of electrons present in its outermost shell is
Easy
View SolutionAssertion : $HClO_4$ 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 $+V$.
DifficultAIIMS 2004
View SolutionNumber of elements from the following that $CANNOT$ form compounds with valencies which match with their respective group valencies is
$B, C, N, S, O, F, P, Al, Si$
$B, C, N, S, O, F, P, Al, Si$
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