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Ionic Equilibrium · 2010 · Shift 0

3 Chemistry questions from this JEE Main paper

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JEE Main
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2010 · Shift 0
Chemistry
Ionic Equilibrium

Ionic Equilibrium · 2010 · Shift 0

3 Chemistry questions from this JEE Main paper

Q4.Solubility product of silver bromide is 5.0 $\times$ 10–13. The quantity of potassium bromide (molar mass taken as 120g of mol–1) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is :
Chemistry · Ionic Equilibrium · MCQ
Q6.At 25°C, the solubility product of $M g (O H)_{2}$ is 1.0 $\times$ 10–11. At which pH, will $M g^{2 +}$ ions start precipitating in the form of $M g (O H)_{2}$ from a solution of 0.001 M $M g^{2 +}$ ions?
Chemistry · Ionic Equilibrium · MCQ
Q7.Three reactions involving $H_{2} P O_{4}^{-}$ are given below : (i) $H_{3} P O_{4}$ + $H_{2} O$ $\to$ $H_{3} O^{+}$ + $H_{2} P O_{4}^{-}$ (ii) $H_{2} P O_{4}^{-}$ + $H_{2} O$ $\to H P O_{4}^{2 -}$ + $H_{3} O^{+}$ (iii) $H_{2} P O_{4}^{-}$ + $O H^{-}$ $\to$ $H_{3} P O_{4}$ + $O^{2 -}$ In which of the above does $H_{2} P O_{4}^{-}$ …
Chemistry · Ionic Equilibrium · MCQ