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Nitric Acid

The following...

Question

The following some statements about $H N O_{2}$ are :
i)It acts as both oxidising and reducing agent.
ii) It is a strong acid.
iii) Its anhydride in pure state exists as pale blue liquid
The correct combination is :

A

All are correct

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B

i, iii are correct

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C

ii, iii are correct

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D

i, ii are correct

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Solution

The correct option is B i, iii are correct
$2 H N O_{2} - H_{2} O \to N_{2} O_{3}$ (blue liquid)
$H N O_{2}$ acts as oxidising and reducing agent.
Is a weak acid.

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N H_{4} C l

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Q. Which of the following statements are correct about the given reaction?

F e_{2} O_{3}

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as a reducing agent.
(ii)

F e_{2} O_{3}

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(iii)

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F e_{2} O_{3}

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Which of the following statements are correct

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IV. $N a H C O_{3}$ used as fire extinguisher

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Q. Question 3

Which of the following statements about the given reaction are correct?

3 Fe(s) + 4 H_{2} O(g) \to {Fe}_{3} O_{4} (s) + 4 H_{2} (g)

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(ii) Water is getting reduced
(iii) Water is acting as reducing agent
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