Redox Reactions questions
1186 published questions with worked solutions.
- In how many of the following compounds, the oxidation state of hydrogen is -1. NH_3, PH_3, HF, NaH, CaH_2, LiAlH_4, NaBH_4, B_2H_6
- At STP, the volume of oxygen liberated from 0.68 g of H_2O_2 is _____mL.
- A sample of hydrogen peroxide is labelled as 10 volume. Its strength in g L^ -1 is about _______.
- The mass of H_2O_2 present in 200 mL of 100 volume H_2O_2 in grams is _________.
- 5.00 millilitre of '100 volume' H_2O_2 solution will give ______ L of oxygen at STP.
- H_2O_2 reduces MnO_4^- ion to Mn^ 2+ ion in acidic medium. How many moles of H_2O_2 are required to reduce 2.00 moles of MnO_4^-...
- Calculate number of moles of O_2 gas obtained at STP from decomposition of 1.12 L of 10 volume strength of H_2O_2 solution.
- What is the molarity of H_2O_2 solution having volume strength of 28 volume?
- Most powerful reducing agent is
- Alkali metals have high oxidation potential and hence, they behave as [Kerala CEE 2003]
- When LiNO_3 is heated, change in oxidation number of N is _____
- Bleaching powder has two types of chlorine, one with oxidation number -1 and other with oxidation number _____
- When NaNO_3 is heated, change in oxidation number of N is _____
- Which can undergo both oxidation and reduction?
- The reducing agent in the thermite process is
- In the aluminothermic process, Al acts as a/an
- Which is correct oxidation state of lead?
- How many species out of the following have reducing properties? NH_3, PH_3, H_3PO_2, H_3PO_3, H_3PO_4, LiAlH_4, BH_3
- NO_3^- is reduced to NH_4^+. What is the change in oxidation number?
- 25.0 mL of 0.05 M solution of NH_2OH was boiled with excess of Fe^ 3+ in acidic medium. The Fe^ 2+ formed required 25.0 mL of 0.1...
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