List of top Chemistry Questions on Oxidation And Reduction Reactions

Acidified potassium dichromate oxidizes sulphides (S\(^{2-}\)) to .......
Why is HCl not used to make the medium acidic in oxidation reactions of KMnO\(_4\) in acidic medium?
The reagent(s) used in hydroboration oxidation of propene are:
(A) B\(_2\)H\(_6\)
(B) H\(_2\)O
(C) H\(_2\)O\(_2\)
(D) OH\(^-\)

Write the reactions involved when D-glucose is treated with the following reagents: (a) HCN (b) Br\(_2\) water 

Consider the following compounds: K$_2$O$_2$, H$_2$O$_2$, and H$_2$SO$_4$
The oxidation states of the underlined elements in them are, respectively:

Write the structures of A, B, and C in the following sequence of reactions:

(A) Explain the following reactions and write chemical equations involved:
(a) Wolff-Kishner reduction
(b) Etard reaction
(c) Cannizzaro reaction

A solution containing 15 g urea (molar mass = 60 g mol\(^{-1}\)) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass = 180 g mol\(^{-1}\)) in water. Calculate the mass of glucose present in one litre of its solution.
What is the oxidation state of chromium in K₂Cr₂O₇?
The number of ions from the following that are expected to behave as oxidising agent is: $\text{Sn}^{4+}, \, \text{Sn}^{2+}, \, \text{Pb}^{2+}, \, \text{Tl}^{3+}, \, \text{Pb}^{4+}, \, \text{Tl}^{+}$
Which is Rosenmund reduction?
Chloroform on reduction with Zn and water gives

Analyzing the following reaction, ascertain the final product:

In Clemensen reduction the reagents are -
A) Zu-Hg
B) HCL
C) Zn
D) \(H_2SO_4\)
E) Cu
Choose the correct answer from the options given below.
Match List I with List II
LIST I LIST II
A.\(HCl - ZnCl_2\)I.Reducing agent
B.\(LiAlH_4\)II.Grignard reagent
C.PCCIII.Oxidising agent
D.Ethyl magnesium bromideIV.Lucas reagent
Choose the correct answer from the options given below:
The strongest oxidising and reducing agents respectively are.
Identify the correct statement(s).
A. Fluorine is a stronger oxidising agent than chlorine.
B. Sulphur in vapour state shows paramagnetic behavior.
C. \(H_2S\) is more acidic than \(H_2Te\).
D. Fluorine form two oxoacids HOF, HOFO.
Choose the correct answer from the options given below:
Write the name of the product formed by the action of \( \text{LiAlH}_4 \) ether on acetamide.
Considering the following reactions and their reduction potentials in acidic medium

What will be the free energy change (\(\triangle\)G) of the reaction. \(IO^-_3\)→ \(\frac{1}{2}I_2\)
Following anti-oxidant is used to prevent oxidative degradation of plastic :
Which of the following zones in a river stretch will have highest biological oxidation demand?
Oxidation of H2O to produce O2 is performed by
Consider the reactions (A) H₂O₂ + 2HI → I₂ + 2H₂O (B) HOCl + H₂O₂ → H₃O⁺ + Cl⁻ + O₂ Which statement is correct about H₂O₂ with reference to these reactions?
Lead is extracted from galena (PbS), either by following ways.
Stronger is oxidising agent, more is