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Standard XII

Chemistry

Raoult's Law

Assertion :If...

Question

Assertion :If SOP of substance is less than $- 1.23 V$ and over voltage $= 0 V$ , then its oxidation in its aqueous solution is not possible at $298 K$ . Reason: Standard reduction potential (SRP) of water is $+ 1.23 V$ .

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
$\begin{matrix} SRP for H_{2} O is - 0.83 V . Also from above table, we can see assertion is correct and reason is incorrect. Thus, option C is the corret answer. \end{matrix}$

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Similar questions

Q. Assertion :If

S O P

of substance is less than

- 1.23 V

and over voltage

= 0 V

, then its oxidation in its aqueous solution is not possible at

298 K

. Reason: Standard reduction potential

(S R P)

of water is

+ 1.23 V

Q. Assertion
If BOD level of water in reservoir is less than 5 ppm it is not polluted.

Reason
High biological oxygen demand means low activity of bacteria in water.

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :If SOP of substance is less than −1.23 V and over voltage =0 V, then its oxidation in its aqueous solution is not possible at 298 K. Reason: Standard reduction potential (SRP) of water is +1.23 V.

The correct option is C Assertion is correct but Reason is incorrect SRP for H2O is −0.83 V . Also from above table, we can see assertion is correct and reason is incorrect. Thus, option C is the corret answer.

Assertion :If SOP of substance is less than $- 1.23 V$ and over voltage $= 0 V$ , then its oxidation in its aqueous solution is not possible at $298 K$ . Reason: Standard reduction potential (SRP) of water is $+ 1.23 V$ .

The correct option is C Assertion is correct but Reason is incorrect
$\begin{matrix} SRP for H_{2} O is - 0.83 V . Also from above table, we can see assertion is correct and reason is incorrect. Thus, option C is the corret answer. \end{matrix}$