The reaction - F2-1-2O2- OF2- shows - H- is -

The correct option is A positiveAs we know,Usually #160; #916;H is calculated by the experiment.Also,Since, sum of F F and O=O bond energy is much greater ...

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Standard XII

Chemistry

Le Chatelier's Principle for Del N Greater Than Zero

The reaction ...

Question

The reaction ; $F_{2} + \frac{1}{2} O_{2} ⟶ O F_{2}$ ; shows $Δ H =$ is _____ .

negative

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positive

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zero

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none of the above

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Solution

The correct option is A positive
As we know,
Usually ΔH is calculated by the experiment.

Also,
Since, sum of F-F and O=O bond energy is much greater than the F-O-F bond.
ΔH is positive for the reaction.

Suggest Corrections

Similar questions

Q. The reaction

F_{2} + \frac{1}{2} O_{2} ⟶ O F_{2}

; shows

Δ H = i s p o s i t i v e

.
If true enter 1, else enter 0.

Q. In the reaction:

F_{2} + \frac{1}{2} O_{2} \to O F_{2}

, oxygen is an oxidant.
If true enter 1, else enter 0.

From the thermo chemical reactions,

$C_{(g r a p h i t e)} + \frac{1}{2} O_{2} \to C O; Δ H = - 110.5 K J$

$C O + \frac{1}{2} O_{2} \to C O_{2}; Δ H = - 283.2 K J .$

$Δ H$ for the reaction, $C_{(g r a p h i t e)} + O_{2} \to C O_{2}$ is:

From the thermochemical reactions,

C + 1/2O₂ → CO; ∆H = -110.5 kJ

CO + 1/2O₂→ CO₂; ∆H = -283.2 kJ

The heat of reaction C + O₂ → CO₂ is:

Q. Given :

C (g r a p h i t e) + \frac{1}{2} O_{2} \to C O Δ H_{1} = - 110.5 k J / m o l

C O + \frac{1}{2} O_{2} \to C O_{2} Δ H = - 283.2 k J / m o l

The heat of reaction (in

k J / m o l

) for the following reaction is:

C (g r a p h i t e) + O_{2} \to C O_{2} Δ H = ?

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The reaction ; F2+12O2⟶OF2; shows ΔH= is _____ .

The correct option is A positiveAs we know,Usually ΔH is calculated by the experiment.Also,Since, sum of F-F and O=O bond energy is much greater than the F-O-F bond.ΔH is positive for the reaction.

The reaction ; $F_{2} + \frac{1}{2} O_{2} ⟶ O F_{2}$ ; shows $Δ H =$ is _____ .

The correct option is A positive
As we know,
Usually ΔH is calculated by the experiment.

Also,
Since, sum of F-F and O=O bond energy is much greater than the F-O-F bond.
ΔH is positive for the reaction.