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प्रश्न
Complete the following equations:Cr2O72- + 2OH- →
उत्तर
Cr2O72- + 2OH- → 2CrO42- + H2O
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संबंधित प्रश्न
When chromite ore FeCr2O4 is fused with NaOH in presence of air, a yellow-coloured compound (A) is obtained, which on acidification with dilute sulphuric acid gives a compound (B). Compound (B) on reaction with KCl forms an orange coloured crystalline compound (C).
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\[\ce{Cr2O^{2-}7 + 3H2S + 8H^+ ->}\]
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