HNO3 acts as ....

`HNO_3` acts as .

A

acid

B

oxidizing agent

C

reducing agent

D

both (1) and (2)

Text Solution

Verified by Experts

The correct Answer is:

D

In ` HNO_3`, H atom is attached to the second most electronegative atom. Thus, It can be released as `H^+` :
`HNO_3 rarr H^(+) + NO_3^(-)`
This imparts acidic character to `HNO_3`, In `HNO_3`, the oxidation state of N is +5 (the highest oxidation state of N) . Thus, it can act as an oxidizing agent only.

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HNO_(3) acts only as as oxidant whereas, HNO_(2) acts as reducant and oxidant both.

Explain why HNO_(3) acts only as oxidising agent while HNO_(2) can act both as a reducing agent and an oxiding agent?

Knowledge Check

HNO_(2) acts as

A

oxidising agent

B

reducing agent

C

both `(a)` and `(b)`

D

its solution is stable

HNO_2 acts as an/a

A

Acid

B

Oxidising agent

C

Reducing agent

D

All the above

A : HNO_(2) acts as reducing agent only. R : HNO_(2) oxidises to HNO_(3) only but not reduce by any reducing agent.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

If Assertion is true statement but Reason is false, then mark (3).

D

If both Assertion and Reason are false statements, then mark (4).

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In nitration , HNO_3 and H_2SO_4 act as:

HNO_(2) acts as an oxidant with which one of the following reagent :-

HNO_(2) acts both as reductant and as oxidant, while HNO_(3) acts only as oxidant. It is due to their

Assertion (A): HNO_(3) acts only as an oxidising agent, while HNO_(2) acts both as an oxidising agnet and a reducing agent. Reason (R ): The oxidation number of N in HNO_(3) is mximum.

Conc. HNO_3 reacts with I_2 to form:

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