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Standard XII

Chemistry

Enthalpy of Neutralisation

Enthalpy of n...

Question

Enthalpy of neutralization of HCl with NaOH is x. The heat evolved when 500 ml of 2N HCl is mixed with 250 ml of 4N NaOH will be

500 x

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100 x

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10 x

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Solution

The correct option is C x
$N o . o f g . e q . o f H C l = \frac{2 \times 500}{1000} = 1 N o . o f g . e q . o f N a O H = \frac{4 \times 500}{1000} = 1 H e a t e v o l v e d = x k J$

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The correct option is C xNo. of g. eq. of HCl=2×5001000=1No. of g. eq. of NaOH=4×5001000=1Heat evolved=xkJ

The correct option is C x
$N o . o f g . e q . o f H C l = \frac{2 \times 500}{1000} = 1 N o . o f g . e q . o f N a O H = \frac{4 \times 500}{1000} = 1 H e a t e v o l v e d = x k J$