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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
उत्तर
3
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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
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?
Describe the preparation of potassium dichromate.
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
Complete the following.
\[\ce{Na2Cr2O7 + KCl ->?}\]
Why do the d-block elements form coloured compounds?
