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प्रश्न
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
एक पंक्ति में 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
Write observed electronic configuration of elements from first transition series having half
filled d-orbitals.
In acid medium, potassium permanganate oxidizes oxalic acid to ____________.
Which of the following statements is not true?
The number of moles of acidified KMnO4 required to oxidize 1 mole of ferrous oxalate (FeC2O4) is ____________.
Describe the preparation of potassium dichromate.
Complete the following.
\[\ce{MnO^-_4 + Fe^2+ ->?}\]
Complete the following.
\[\ce{Na2Cr2O7 + KCl ->?}\]
Why do the d-block elements form coloured compounds?
