WB JEE
Chemistry
Redox Reaction
Previous Years Questions

MCQ (Single Correct Answer)

The equivalent weight of KIO$$_3$$ in the given reaction is (M = molecular mass): $$\mathrm{2Cr{(OH)_3} + 4O{H^ - } + KI{O_3} \to 2CrO_4^{2 - } + 5{H_...
Oxidation states of Cr in K2Cr2O7 and CrO5 are respectively
A given amount of Fe2+ is oxidised by x mol of $$MnO_4^ - $$ in acidic medium. The number of moles of $$C{r_2}O_7^{2 - }$$ required to oxidise the sam...
0.126 g of an acid is needed to completely neutralise 20 mL 0.1 (N) NaOH solution. The equivalent weight of the acid is
You are supplied with 500 mL each of 2N HCl and 5N HCl. What is the maximum volume of 3M HCl that you can prepare using only these two solutions?
What will be the normality of the salt solution obtained by neutralising x mL y (N) HCl with y mL x(N) NaOH, and finally adding (x + y) mL distilled w...

MCQ (More than One Correct Answer)

N2H4 and H2O2 show similarity in
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