The enthalpy of reaction is maximum in which of the following reaction?:- (1)NaOH+ HCl➝NaCl+H2O, (2)NaOH+HF➝NaF+H2O, (3)NaOH+HBr➝NaBr+H2O, (4) All have same value. Please answer with detail explanation.

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Asked by patra04011965 | 12 Nov, 2019, 09:21: AM

Expert Answer

The enthalpy of reaction is maximum in (2) option

Because Enthalpy of reaction= Entahalpy of Product- Enthalpy of reactant

In casae of F, it has highest electronegativity so Enthalpy of product will be high as compared to others and Enthalpy of reaction will be maximum.

Answered by Ravi | 12 Nov, 2019, 04:48: PM

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Q no 106

Asked by manasvijha | 08 Apr, 2019, 09:56: PM

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NEET neet - Chemistry

CH3COOH(aq) → CH3COO- (aq) + H+ (aq), ΔrH° = 0.005 kcal g-1 Enthalpy change when 1 mole of Ca(OH)2, a strong base, is completely neutralised by CH3COOH (aq) in dilute solution is a) -27.4 kcal mol-1 b) -13.4 kcal mol-1 c) -26.8 kcal mol-1 d) -27.1 kcal mol-1 Correct answer is option 'C'. Can you explain this answer?

Asked by ntg432000 | 06 Mar, 2019, 11:26: AM

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