The value of -H standard enthalpy change for the given reaction is-

The correct option is B R√(3) ...

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Standard XII

Chemistry

Lewis Theory

The value of ...

Question

The value of $θ$ H (standard enthalpy change) for the given reaction is?

- \frac{R}{\sqrt{3}}

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- R \sqrt{3}

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R \sqrt{3}

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\frac{R}{\sqrt{3}}

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Solution

The correct option is B $- R \sqrt{3}$

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Similar questions

Enthalpy is an extensive property. In general, if enthalpy of an overall reaction A $\to$ B along one route is $Δ_{r} H$ and $Δ_{r} H a n d Δ_{r} H_{1}, Δ_{r} H_{2}, Δ_{r} H_{3} \dots$ represent enthalpies of intermediate reactions leading to product B. What will be the relation between $Δ_{r} H$ overall reaction and $Δ_{r} H_{1}, Δ_{r} H_{2} \dots$ etc for intermediate reactions.

Given
$N_{2 (g)} + 3 H_{2 (g)} \to 2 N H_{3 (g)}; Δ_{r} H^{θ} = - 92.4 k J m o l^{- 1}$
What is the standard enthalpy of formation of $N H_{3}$ gas?

Given

; Δ_rH^θ = –92.4 kJ mol^–1

What is the standard enthalpy of formation of NH₃ gas?

Q. If a

△ A B C

has altitudes

h_{1}, h_{2}, h_{3}

and inradius

r

, then the minimum value of

\frac{h_{1} + r}{h_{1} - r} + \frac{h_{2} + r}{h_{2} - r} + \frac{h_{3} + r}{h_{3} - r}

Standard molar enthalpy of formation, $Δ_{f} H^{⊖}$ is just a special case of enthalpy of reaction, $Δ_{r} H^{⊖}$ . Is the $Δ_{r} H^{⊖}$ for the following reaction same as $Δ_{f} H^{⊖}$ ? Give reason for your answer.
$C a 0 (s) + C O_{2} (g) \to C a C O_{3} (s); Δ_{f} H^{⊖} = - 178.3 k J m o l^{- 1}$

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The value of θH (standard enthalpy change) for the given reaction is?

The correct option is B −R√3

The value of $θ$ H (standard enthalpy change) for the given reaction is?

The correct option is B $- R \sqrt{3}$