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प्रश्न
Permanganate ion changes to ____________ in acidic medium.
पर्याय
\[\ce{MnO^{2-}_4}\]
Mn2+
Mn3+
MnO2
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उत्तर
Permanganate ion changes to Mn2+ in acidic medium.
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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
Write observed electronic configuration of elements from first transition series having half
filled d-orbitals.
Which of the following statements is not true?
Describe the preparation of potassium dichromate.
Complete the following.
\[\ce{MnO^-_4 + Fe^2+ ->?}\]
Complete the following.
\[\ce{KMnO4 ->[\Delta][Red hot]?}\]
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?
