If the ionic product of water (K_w) is 1.96 10^ -14 at 35°C, what is its value at 10°C? [EAMCET 2003]

JEE Main Chemistry question

If the ionic product of water () is at 35°C, what is its value at 10°C? [EAMCET 2003]

Answer: (C)

Water's autoionisation is endothermic, so decreases as temperature falls; of the given

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Question ID VK-135631