The heat of formation of HI from the equation H2-I2- 2HI- H-52KJ is

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Standard X

Physics

Specific Heat Capacity

The heat of f...

Question

The heat of formation of HI from the equation
$H_{2} + I_{2} \to 2 H I, Δ H = + 52 K J$ is

-26 KJ

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+26 KJ

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-52 KJ

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+52 KJ

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Solution

The correct option is D +26 KJ
Heat of formation corresponds to formation of one mole of products
$∴ \frac{1}{2} H_{2} (g) + \frac{1}{2} I_{2} (g) \to H I (g)$
$Δ H = \frac{+ 52 K J}{2}$

$=$ +26 KJ

Option B is correct.

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The heat of formation of HI from the equationH2+I2→2HI,ΔH=+52KJ is

The correct option is D +26 KJHeat of formation corresponds to formation of one mole of products∴12H2(g)+12I2(g)→HI(g)ΔH=+52KJ2= +26 KJOption B is correct.

The heat of formation of HI from the equation
$H_{2} + I_{2} \to 2 H I, Δ H = + 52 K J$ is

The correct option is D +26 KJ
Heat of formation corresponds to formation of one mole of products
$∴ \frac{1}{2} H_{2} (g) + \frac{1}{2} I_{2} (g) \to H I (g)$
$Δ H = \frac{+ 52 K J}{2}$

$=$ +26 KJ

Option B is correct.