Class 11 Chemistry Classification of Elements and Periodicity in Properties Valency and oxidation state

Easy

The valency (oxidation state) of phosphorus in $H_3PO_4$ is

A
$2$
B
$5$
C
$4$
D
$1$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

Valency and oxidation state

Similar Questions

$A$ compound contains three elements $A$,$B$ and $C$. If the oxidation states are $A = +2$,$B = +5$ and $C = -2$,the possible formula of the compound is

Medium

Explain the periodicity of valence or oxidation states and explain the oxidation states of oxygen in $Na_2O$ and $OF_2$.

Difficult

Which of the following elements exhibits both positive and negative oxidation states?

Easy

The oxidation states of phosphorus vary from

Medium

The atomic number of an element which shows the oxidation state of $+3$ is

Medium

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