The solubility products of A l ( O H ) 3 and Z n ( O H ) 2 are 8.5 × 1 0 - 23 and 1.8 × 1 0 - 14 respectively. If N H 4 O H is added to a solution containing A l 3 + and Z n 2 + ions, then substance precipitated first is:

Question

The solubility products of A l ( O H ) 3 and Z n ( O H ) 2 are 8.5 × 1 0 - 23 and 1.8 × 1 0 - 14 respectively. If N H 4 O H is added to a solution containing A l 3 + and Z n 2 + ions, then substance precipitated first is:, A l ( O H ) 3, Z n ( O H ) 2, Both together, None at all

MARKS App · Accepted Answer

ppt occurs when ionic product is greater than solubility product. Solubility of A l ( O H ) 3 is lesser than Z n ( O H ) 2

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