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प्रश्न
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
एका वाक्यात उत्तर
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उत्तर
\[\ce{Cr2O^2-_7 + 6I^- + 14H^+ -> 2Cr^3+ + 3I2 + 7H2O}\]
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D-block Elements - Some Important Compounds of Transition Elements
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संबंधित प्रश्न
What is the geometry of chromate ion?
- Tetrahedral
- Octahedral
- Trigonal planer
- Linear
Draw structure of dichromate ion
What is the action of acidified potassium dichromate on - KI
In acid medium, potassium permanganate oxidizes oxalic acid to ____________.
Permanganate ion changes to ____________ in acidic medium.
Describe the preparation of potassium dichromate.
Complete the following.
\[\ce{C6H5CH3 ->[acidified][KMnO4]?}\]
Complete the following.
\[\ce{Na2Cr2O7 + KCl ->?}\]
Explain why Cr2+ is strongly reducing while Mn3+ is strongly oxidizing.
Why do the d-block elements form coloured compounds?
