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प्रश्न
Complete the following.
\[\ce{Na2Cr2O7 + KCl ->?}\]
एक पंक्ति में उत्तर
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उत्तर
\[\ce{Na2Cr2O7 + 2KCl -> K2Cr2O7 + 2NaCl}\]
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The d-Block Elements (Transition Elements) - Some Important Compounds of Transition Elements
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संबंधित प्रश्न
In acid medium, potassium permanganate oxidizes oxalic acid to ____________.
Which of the following statements is not true?
Permanganate ion changes to ____________ in acidic medium.
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.
\[\ce{KMnO4 ->[\Delta][Red hot]?}\]
Complete the following.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
Explain why Cr2+ is strongly reducing while Mn3+ is strongly oxidizing.
Why do the d-block elements form coloured compounds?
