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प्रश्न
Complete the following chemical equations :
Cu + H2SO4(conc.) →
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उत्तर
The balanced reactions are given below:
Cu + 2H2SO4(conc.) →→ CuSO4 + SO2 + 2H2O
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संबंधित प्रश्न
When chromite ore FeCr2O4 is fused with NaOH in presence of air, a yellow-coloured compound (A) is obtained, which on acidification with dilute sulphuric acid gives a compound (B). Compound (B) on reaction with KCl forms an orange coloured crystalline compound (C).
(i) Write the formulae of the compounds (A), (B) and C.
(ii) Write one use of compound (C).
Complete the following chemical equation
8MnO4- + 3S2O32- + H2O →
Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.
Complete the following equation :
Write the ionic equation showing the oxidation of Fe(II) salt by acidified dichromate solutions.
The product formed upon heating methyl bromide with potassium tert-butoxide is
Why \[\ce{HCl}\] should not be used for potassium permanganate titrations?
The oxidation state of manganese in the product obtained in a reaction of potassium permanganate and hydrogen peroxide in a basic medium is ______.
Complete the reaction mentioning all the products formed:
\[\ce{2KMnO4 ->[\Delta]}\]
