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प्रश्न
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
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उत्तर
\[\ce{Cr2O^2-_7 + 6I^- + 14H^+ -> 2Cr^3+ + 3I2 + 7H2O}\]
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The d-Block Elements (Transition Elements) - Some Important Compounds of Transition Elements
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संबंधित प्रश्न
What is the molecular formula of chromyl chloride?
(A) CrO2Cl2
(B) CrOCl2
(C) CrCl3
(D) Cr2OCl2
What is the action of acidified potassium dichromate on - SO2
What is the action of acidified potassium dichromate on - KI
In acid medium, potassium permanganate oxidizes oxalic acid to ____________.
Which of the following statements is not true?
Permanganate ion changes to ____________ in acidic medium.
Complete the following.
\[\ce{MnO^-_4 + Fe^2+ ->?}\]
Complete the following.
\[\ce{KMnO4 ->[\Delta][Red hot]?}\]
Explain why Cr2+ is strongly reducing while Mn3+ is strongly oxidizing.
Why do the d-block elements form coloured compounds?
