200 {\mL} of 0.2 {\M} {\HCl} is mixed with 300 {\mL} of 0.1 {\M} {\NaOH}. The molar heat of neutralisation of this reaction is -57.1 {\kJ}. The increase in temperature in { }^\circ {\C} of the system on mixing is x \times10^{-2}. The value ofx is ........ (Nearest integer) [Given, specific heat of water =4.18 {\J} {\g}^{-1} {\K}^{-1}Density of water =1.00 {\g} {\cm}^{-3}] (Assume no volume change on mixing) [27 Aug 2021 Shift 1]

JEE Main 27-Aug-2021 Shift 1 Solved Paper

Section: Chemistry

Question : 58 of 90

Marks: +1, -0

200‌mL of 0.2M‌HCl is mixed with 300‌mL of 0.1M‌NaOH. The molar heat of neutralisation of this reaction is −57.1‌kJ. The increase in temperature in ‌°C of the system on mixing is x×10−2.
The value ofx is ........ (Nearest integer)
[Given, specific heat of water =4.18Jg−1K−1Density of water =1.00gcm−3]
(Assume no volume change on mixing)

[27 Aug 2021 Shift 1]

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