Under the same conditions, how many $m l$ of $1 M K O H$ and $0.5 M H_{2} S O_{4}$ solution respectively, when mixed to form a total volume of $100 m l$ , produces the highest rise in temperature?

67,33

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33,67

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40,60

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50,50

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Solution

The correct option is D 50,50
Complete neutralization of $H^{+}$ and $O H^{-}$ will produce the highest rise in temperature.
$50 m l$ of $0.5 M H_{2} S O_{4}$ and $50 m l$ of $1 M K O H$ contain equal numbers of $H^{+}$ and $O H^{-}$ respectively. So, they neutralize completely and produce the highest rise in temperature.

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100 ml of 1M NaOH and 100ml of $X g L^{- 1} H_{2} S O_{4}$ , both being at the same temperature, are mixed. The highest rise in temperature would occur when X is ?

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Under the same conditions, how many ml of 1 M KOH and 0.5 M H2SO4 solution respectively, when mixed to form a total volume of 100 ml, produces the highest rise in temperature?

The correct option is D 50,50Complete neutralization of H+ and OH− will produce the highest rise in temperature. 50 ml of 0.5 M H2SO4 and 50 ml of 1 M KOH contain equal numbers of H+ and OH− respectively. So, they neutralize completely and produce the highest rise in temperature.

Under the same conditions, how many $m l$ of $1 M K O H$ and $0.5 M H_{2} S O_{4}$ solution respectively, when mixed to form a total volume of $100 m l$ , produces the highest rise in temperature?