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प्रश्न
How many moles of I2 are liberated when 1 mole of potassium dichromate react with potassium iodide?
विकल्प
1
2
3
4
MCQ
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उत्तर
3
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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 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.
Permanganate ion changes to ____________ in acidic medium.
Describe the preparation of potassium dichromate.
Complete the following.
\[\ce{C6H5CH3 ->[acidified][KMnO4]?}\]
Complete the following.
\[\ce{MnO^-_4 + Fe^2+ ->?}\]
Complete the following.
\[\ce{KMnO4 ->[\Delta][Red hot]?}\]
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
Why do the d-block elements form coloured compounds?
