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Avneet Kaur
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Asked: 2021-12-15T08:51:52+00:00 In:

What happens when sodium hydroxide is mixed in water?

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Poll Results

15.79%[A] (i) and (ii) ( 6 voters )
57.89%[B] (ii) and (iv) ( 22 voters )
10.53%[C] (i) and (ii) ( 4 voters )
15.79%[D] Only (iv) ( 6 voters )
Based On 38 Votes

Participate in Poll, Choose Your Answer.

(i)Hydronium ions will be produced
(ii)Heat is released during dissolution
(iii)The process is endothermic
(iv)Hydroxide ions will be produced

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    1. Best Answer

      [B] (ii) and (iv)
      When sodium hydroxide in mixed with water, then ionisation takes place,
      NaOH + H₂O → Na⁺ + OH⁻ + H₂O
      Hydroxide ions are formed and a lot of heat is generated or released during dissolution.

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