inrog dbts..

Q1 K₂Cr₂O₇ +H₂SO₄(hot)â†’

Q2 K₂Cr₂O₇ +H₂SO₄(cold)â†’

Q3 K₂Cr₂O₇ +H₂SO₄(room temperature)â†’

Q4 Hydrated FeCl3 + Stream of air(high tempearture)â†’

Q5 Ferric oxide +HCl â†’

Q6 Na₂CrO₄ +C +heat â†’

Q7Mixture of KCr2O7 and conc . H2SO4 is called ?

Q8Autocatalysis of oxalic acid by acidifiied KMnO4 occurs on presence of ??

4 Answers

Ans 8..Autocatalysis of oxalic acid occurs in the presence of Mn²⁺ ions....

1. K₂SO₄ + Cr₂(SO₄)₃ + H₂O + O₂

2. CrO₃ + KHSO₄ + H₂O

3. Not sure

1. IS RITE
7. CHROMIC ACID....(SOURCE::GOOGLE)

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