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Standard XII

Chemistry

Reactivity with Halogens (Group 1)

If H+ + OH-...

Question

If $H^{+} + O H^{-} = H_{2} O + 13.7 K c a l$ , then heat of complete neutralizationon of one gram mole of $H_{2} S O_{4}$ with strong base will be:

13.7 Kcal

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27.4 Kcal

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6.85 Kcal

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3.425 Kcal

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Solution

The correct option is B 27.4 Kcal
Given
$H_{2} S O_{4} \to 2 H^{+} + S O_{4}^{2 -}$
For 1 mole of $H^{+}$ heat is $= 13.7 K c a l$
For 2 mole of $H^{+}$ heat is $= 2 \times 13.7 = 27.4 K c a l$

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Similar questions

Q. If

H^{+} + O H^{-} ⇋ H_{2} O + 13.7 K c a l

, then heat of complete neutralisation of one gram mole of

H_{2} S O_{4}

with strong base will be:

Q. If

H^{\oplus} + O H^{⊖} ⟶ H_{2} O + 13.6 k c a l

then the heat of neutralization for complete neutralization of one mole of

H_{2} S O_{4}

by a base (NaOH) will be:

If $H^{+} + O H^{-} \to H_{2} O . Δ H = - 57.3 k J,$ then the heat of neutralisation for complete neutralisation of 1 mole $H_{2} S O_{4}$ by a base is:

Q. When

1 g

equivalent of strong acid reacts with strong base heat released is

13.5 K c a l

. When

1 g

equivalent

H_{2} A

is completely neutralised against strong base

13 K c a l

is released. When

1 g

equivalent

B (O H)_{2}

is completely neutralised against strong acid 10 Kcal heat is released. Calculate enthalpy change when 1 mole

H_{2} A

is completely neutralized by

B (O H)_{2}

Q. The heat of neutralization of a strong base and a strong acid is

13.7

kcal. The heat released when

0.6

mole HCl solution is added to

0.25

mole of NaOH is:

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If H++OH−=H2O+13.7Kcal, then heat of complete neutralizationon of one gram mole of H2SO4 with strong base will be:

The correct option is B 27.4 KcalGiven H2SO4→2H++SO2−4For 1 mole of H+ heat is =13.7 KcalFor 2 mole of H+ heat is =2×13.7=27.4 Kcal

If $H^{+} + O H^{-} = H_{2} O + 13.7 K c a l$ , then heat of complete neutralizationon of one gram mole of $H_{2} S O_{4}$ with strong base will be:

The correct option is B 27.4 Kcal
Given
$H_{2} S O_{4} \to 2 H^{+} + S O_{4}^{2 -}$
For 1 mole of $H^{+}$ heat is $= 13.7 K c a l$
For 2 mole of $H^{+}$ heat is $= 2 \times 13.7 = 27.4 K c a l$