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CFSE in Octahedral and Tetrahedral Complexes

Δ Hf0 of wate...

Question

$Δ H_{f}^{0}$ of water is $- 285.8 k J m o l^{- 1} .$ If enthalpy of neutralisation of monoacid strong base is $- 57.3 k J m o l^{- 1}$ , $Δ H_{f}^{0}$ of $O H^{-}$ ion will be :

- 288.5

k J m o l^{- 1}

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- 228.5

k J m o l^{- 1}

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- 114.25

k J m o l^{- 1}

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- 128.5

k J m o l^{- 1}

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Solution

The correct option is B $- 228.5$ $k J m o l^{- 1}$

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Similar questions

Δ H_{f}^{\circ}

- 285.8 {kJ mol}^{- 1}

- 57.3 {kJ mol}^{- 1}

Δ H_{f}^{\circ}

O H^{-}

Δ H_{f}^{0}

- 285.8 k J {m o l}^{- 1}

- 57.3 k J {m o l}^{- 1}, Δ H_{f}^{0}

O H^{-}

- 57.32 k J m o l^{- 1}

- 285.84 k J m o l^{- 1}

298 K

- 890.3

k J {m o l}^{- 1}, - 393.5

k J {m o l}^{- 1}, - 285.8

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

{C H}_{4 (g)}

K C l

K = 89 k J m o l^{- 1}

C l_{2} = 244 k J m o l^{- 1}

K = 425 k J m o l^{- 1}

C l = - 355 k J m o l^{- 1}

K C l = - 438 k J m o l^{- 1}

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