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28/09/2021 9:30 pm
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Enthalpy of neutralisation of HCl with NaOH is x. The heat evolved when 500 mL of 2 N HCl are mixed with 250 mL of 4N NaOH will be.
(a) 500x
(b) 100x
(c) x
(d) 10x
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28/09/2021 9:44 pm
Correct answer: (c) x
Explanation:
Enthalpy of neutralisation of HCl with NaOH is x.
In question gev of HCl
\(\Big(\frac{500 \times 2}{1000} = lgev\Big)\) and NaOH \(\Big(\frac{250 \times 4}{1000} = 1\;lgev\Big)\)
hence the value x.