Redox Reactions questions
1186 published questions with worked solutions.
- Volume of 2 M HCl needed to neutralize the solution containing one litre of 1 M NaOH solution is:
- 34 g of hydrogen peroxide is present in 1120 mL of solution. This solution is called:
- A sample of peanut oil weighing 1.5763 g is added to 25 mL of 0.4210 M KOH. After saponification is complete, 8.46 mL of 0.2732 M...
- An ion is reduced to the element when it absorbs 6 10^ 20 electrons. The number of equivalents of the ion is:
- 1.0 g of pure calcium carbonate was found to require 50 mL of dilute HCl for complete reaction. The strength of the HCl solution...
- Among the following, the number of elements showing only one non-zero oxidation state is: O, Cl, F, N, P, Sn, Tl, Na, Ti.
- One litre of hard water contains 12.00 mg Mg^ 2+ . The milli-equivalents of washing soda required to remove its hardness is
- Strongest oxidising agent among halogen is
- The correct order of increasing oxidising power is [J & K CET 2003]
- Which of the following elements never show positive oxidation number?
- The halogen that is most easily reduced is
- Maximum oxidation state shown by Mn is ______
- Among the following, which is the strongest oxidising agent?
- What is the sum of the oxidation state and covalency of Al in the compound [AlBr(H_2O)_5]^ 2+ ?
- Which phenomenon cannot be described as oxidation?
- Which molecule is an electron donor?
- The concentration of oxalic acid is 'x' mol L^ -1 . 40 mL of this solution reacts with 16 mL of 0.05 M acidified KMnO_4. What is...
- In the iodometric estimation in laboratory, which process is involved? [OJEE 2004]
- SnCl₂ and HgCl₂ cannot co-exist in a solution because of:
- Which conversion is an oxidation? [Manipal 2003]
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