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Heat of Reaction

The standard ...

Question

The standard heats of formation of $N O_{2} (g)$ and $N_{2} O_{4} (g)$ are 8.0 and 2.0 Kcal $m o l^{- 1}$ respectively the heat of dimerization of $N O_{2}$ in Kcal is :

A

10

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B

-6

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C

-12

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D

-14

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Solution

The correct option is C -14

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Similar questions

Q. The standard heat of formation in kcal

m o l^{- 1}

N O_{2} (g)

N_{2} O_{4} (g)

are 8.0 and 2.0 respectively. The heat of dimerization of

N O_{2}

2 N O_{2} (g) = N_{2} O_{4} (g)

Q. The standard heat of formation of

N O_{2} (g)

N_{2} O_{4} (g)

8.0

4.0

m o l^{- 1}

respectively. The heat of dimerization of

N O_{2}

Q. The standard heats of formation of

N O_{2}

N_{2} O_{4}

8.0

2.0 k c a l m o l^{- 1}

respectively, the heat of dimerization of

N O_{2}

k c a l

Q. The standard heats of formation of

N O_{2}

N_{2} O_{4}

8.0

2.0 k c a l m o l^{- 1}

respectively, the heat of dimerization of

N O_{2}

k c a l

The standard heats of formation in K.cal mol $^{- 1}$ of NO $_{2 (g)}$ and N $_{2}$ O $_{4 (g)}$ are 8.0 and 2.0 respectively. The heat of dimerisation of $N O_{2}$ in K.cal is $2 N O_{2 (g)} \to N_{2} O_{4 (g)}$

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