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  • Which of the following pairs would be expected to form precipitate when solution are mixed ?Option: 1 <img alt="\mathrm{K}^{+}, \mathrm{SO}_{4}^{2-}"

Which of the following pairs would be expected to form precipitate when solution are mixed ?

Option: 1

\mathrm{K}^{+}, \mathrm{SO}_{4}^{2-}


Option: 2

\mathrm{Na}^{+}, \mathrm{S}^{2-}


Option: 3

\mathrm{Ag}^{+}, \mathrm{NO}_{3}^{-}


Option: 4

\mathrm{Al}^{3+}, \mathrm{OH}^{-}


Answers (1)

best_answer

Aluminium belongs to the third group of Basic radicals and is precipitated as its hydroxide \left[\mathrm{Al}(\mathrm{OH})_{3}\right].

Hence, the correct answer is Option (4)

Posted by

manish painkra

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