Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
EasyThe valency (oxidation state) of phosphorus in $H_3PO_4$ is
- A$2$
- B$5$
- C$4$
- D$1$
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Similar Questions
Consider 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 SolutionThe valency of sulphur in sulphuric acid is
Easy
View SolutionWhich of the oxidation state$(s)$ is/are shown by the element sulphur?
Easy
View SolutionArrange the acids $(I)$ $H_2SO_3$,$(II)$ $H_3PO_3$,and $(III)$ $HClO_3$ in the decreasing order of acidity.
Medium
View SolutionAmong the following,the number of elements showing only one non-zero oxidation state is $O, Cl, F, N, P, Sn, Tl, Na, Ti$.
MediumIIT 2010
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