p-Block Elements – I — Chemistry STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12Chemistryp-Block Elements – I2 Marks
Question
What happen when potash alum is treated with ammonium hydroxide?
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Answer
Potash alum forms aluminium hydroxide, when, treated with ammonium hydroxide $\begin{aligned} & K _2 SO _4 \cdot A _{12}\left( SO _4\right)_3 \cdot 24 H _2 O +6 NH _4 OH \rightarrow K _2 SO _4+3\left( NH _4\right) 2 SO _4+24 H _2 O + \\ & 3 Al ( OH )_3\end{aligned}$
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