The reaction of hydrogen and iodine monochloride is given as-H 2 g -2 ICl g - 2 HCl g - I 2 g This reaction is of first order with respect to H 2 g and ICl g - following mechanisms were proposed-Mechanism A - H 2 g -2 ICl g - 2 HCl g - I 2 g Mechanism B - H 2 g - ICl g - HCl g - HI g - slowHI g - ICl g - HCl g - I 2 g - fastWhich of the above mechanisms can be consistent with the given information about the reaction-A- B onlyB- A onlyC- A and B bothD- Neither A nor B

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First Order Reaction

The reaction ...

Question

The reaction of hydrogen and iodine monochloride is given as:
$H_{2} (g) + 2 I C l (g) \to 2 H C l (g) + I_{2} (g)$

This reaction is of first order with respect to $H_{2} (g)$ and $I C l (g)$ , following mechanisms were proposed :
Mechanism A : $H_{2} (g) + 2 I C l (g) \to 2 H C l (g) + I_{2} (g)$

Mechanism B : $H_{2} (g) + I C l (g) \to H C l (g) + H I (g), s l o w$

$H I (g) + I C l (g) \to H C l (g) + I_{2} (g), f a s t$
Which of the above mechanism(s) can be consistent with the given information about the reaction?

A only

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B only

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A and B both

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Neither A nor B

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Solution

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Similar questions

H_{2} (g) + 2 I C l (g) \to 2 H C l (g) + I_{2} (g)

H_{2} (g)

H_{2} (g) + 2 I C l (g) \to 2 H C l (g) + I_{2} (g)

H_{2} (g) + I C l (g) s l o w \to H C l (g) + H I (g)

H I (g) + I C l (g) f a s t \to H C l (g) + I_{2} (g)

H_{2} (g) + 2 I C l (g) \to I_{2} (g) + 2 H C l (g)

= k [H_{2}] [I C l]

H_{2} (g) + C l_{2} (g) \to 2 H C l (g)

Δ H

- 44

C l_{2} (g) = 2 C l (g),

242.3 k j m o l^{- 1}

I_{2} (g) = 2 I (g),

151.0 k j m o l^{- 1}

I C l (g) = I (g) + C l (g),

211.3 k j m o l^{- 1}

I_{2} (s) \to I_{2} (g),

62.76 k j m o l^{- 1}

I_{2} (s)

C l_{2} (g)

I C l (g)

J K^{- 1} {m o l}^{- 1}

H_{2} (g) = 130.6, {C l}_{2} (g) = 233

H C l (g) = 186.7

298 K

1

H_{2} (g) + {C l}_{2} (g) \to 2 H C l (g)

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