The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

Orthophosphorous and hypophosphoric acids

Pyrophosphorous and pyrophosphoric acids

Orthophosphorous and pyrophosphorous acids

Pyrophosphorous and hypophosphoric acids

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The correct Answer is:C

Phosphorous acid contain P in $+ 3$ oxidation state.
Acid Formala Oxidation state of Phosphorous
Pyrophosphorous acid $H_{4} P_{2} O_{5} + 3$
Pyrophosphoric acid $H_{4} P_{2} O_{7} + 5$
Orthophosphorous acid $H_{3} P O_{3} + 3$
Hypophosphoric acid $H_{4} P_{2} O_{6} + 4$ .

Updated on:21/07/2023

Class 12 CHEMISTRY THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)

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The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is
Aorthophosphorous acid and pyrophosphorous acids
Bpyrophosphorous acid and hypophosphoric acids
Corthophosphorous and hyphophosphoric acids
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The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is
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BPyrophosphorous and pyrophosphoric acids
COrthophosphorous and pyrophosphorous acids
DPyrophosphorous and hypophosphoric acids
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The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is
APyrophosphorous and pyrophosphoric acids
BOrthophosphorous and pyrophosphorous acids
CPyrophosphorous and hypophosphoric acids
DOrthophosphorous and hypophosphoric acids
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Which complexes have zero oxidation state?
A(a) Carbonyl
B(b) Ferrocyanide
C(c) Amine
D(d) Cyanide
Question 1 - Select One
The oxidation state of O-atom is $+ 2$ in
A $O F_{2}$
B $O_{2} F_{2}$
C $H_{2} O$
D $H_{2} O_{2}$
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In which pair of compounds, the oxidation state of nitrogen is -1?
AAmmonia , hydroxylamine
BNitric oxide , nitrnic acid
CHydrazine , ammonia
DHydrazine ,hydroxylamine.
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The atomic number of an element which can not show the oxidation state of $+ 3$ is-
A13
B32
C33
D17
Question 1 - Select One
The pair of the compounds in which both the metals are in the same oxidation state is :
A $N a_{4} X e O_{6}, O s O_{4}$
B $C r O_{2} C l_{2}, M n O_{4}^{2 -}$
C $T i O_{3}^{2 -}, C r 0_{3}$
D $C l_{2} O_{7}, M n_{2} O_{7}$
Question 1 - Select One
Which of the following forms stable +4 oxidation state ?
ALa (Z = 57)
BEu (Z = 63)
CGd (Z = 64)
DCe (Z = 58)

DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise

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The pair in which phosphours atoms have a formed oxidation state of +3 is

The correct Answer is:C

Phosphorous acid contain P in +3 oxidation state. Acid Formala Oxidation state of Phosphorous Pyrophosphorous acid H4P2O5 +3 Pyrophosphoric acid H4P2O7 +5 Orthophosphorous acid H3PO3 +3 Hypophosphoric acid H4P2O6 +4.

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The pair in which phosphours atoms have a formed oxidation state of +3 is

The pair in which phosphours atoms have a formed oxidation state of +3 is

The pair in which phosphours atoms have a formed oxidation state of +3 is

The pair in which phosphours atoms have a formed oxidation state of +3 is

Which complexes have zero oxidation state?

The oxidation state of O-atom is +2 in

In which pair of compounds, the oxidation state of nitrogen is -1?

The atomic number of an element which can not show the oxidation state of +3 is-

The pair of the compounds in which both the metals are in the same oxidation state is :

Which of the following forms stable +4 oxidation state ?

DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise

The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

Phosphorous acid contain P in $+ 3$ oxidation state.
Acid Formala Oxidation state of Phosphorous
Pyrophosphorous acid $H_{4} P_{2} O_{5} + 3$
Pyrophosphoric acid $H_{4} P_{2} O_{7} + 5$
Orthophosphorous acid $H_{3} P O_{3} + 3$
Hypophosphoric acid $H_{4} P_{2} O_{6} + 4$ .

The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

The pair in which phosphours atoms have a formed oxidation state of $+ 3$ is

The oxidation state of O-atom is $+ 2$ in

The atomic number of an element which can not show the oxidation state of $+ 3$ is-