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प्रश्न
Which of the following statements is not true?
पर्याय
on passing H2S, through acidified K2Cr2O7 solution, a milky colour is observed.
Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis.
K2Cr2O7 solution in acidic medium is orange in colour.
K2Cr2O7 solution becomes yellow on increasing the pH beyond 7.
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उत्तर
Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis
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संबंधित प्रश्न
What is the geometry of chromate ion?
- Tetrahedral
- Octahedral
- Trigonal planer
- Linear
Draw the structure of the chromate ion.
What is the action of acidified potassium dichromate on - KI
In acid medium, potassium permanganate oxidizes oxalic acid to ____________.
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.
\[\ce{Cr2O^2-_7 + I^- + H^+ ->?}\]
Complete the following.
\[\ce{Na2Cr2O7 + KCl ->?}\]
