JEE Mains · Chemistry · STD 11 - 7. Redox reactions
Total number of species from the following which can undergo disproportionation reaction _______. \(\mathrm{H}_2 \mathrm{O}_2, \mathrm{ClO}_3^{-}, \mathrm{P}_4, \mathrm{Cl}_2, \mathrm{Ag}, \mathrm{Cu}^{+1}, \mathrm{~F}_2, \mathrm{NO}_2, \mathrm{~K}^{+}\)
- A \(4\)
- B \(5\)
- C \(6\)
- D \(7\)
Answer & Solution
Correct Answer
(C) \(6\)
Step-by-step Solution
Detailed explanation
Intermediate oxidation state of element can undergo disproportionation. \(\mathrm{H}_2 \mathrm{O}_2, \mathrm{ClO}_3^{-}, \mathrm{P}_4, \mathrm{Cl}_2, \mathrm{Cu}^{+1}, \mathrm{NO}_2\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Identify correct statement/s :
(A) \(-\mathrm{OCH}_3\) and \(-\mathrm{NHCOCH}_3\) are activating group.
(B) -CN and -OH are meta directing group.
(C) -CN and \(-\mathrm{SO}_3 \mathrm{H}\) are meta directing group.
(D) Activating groups act as ortho - and para directing groups.
(E) Halides are activating groups.
Choose the correct answer from the options given below :JEE Mains 2025 Easy - The maximum possible denticities of a ligand given below towards a common transition and inner -transition metal ion, respectively, are
JEE Mains 2019 Hard - \(2 NO +2 H _{2} \rightarrow N _{2}+2 H _{2} O\) The above reaction has been studied at \(800^{\circ} C\). The related data are given in the table below.
The order of the reaction with respect to \(NO\) is \(...........\)Reaction serial number Initial pressure of \(H _{2}\) / \(kPa\) Initial Pressure of \(NO /\) \(kPa\) Initial rate \(\left(\frac{- dp }{ dt }\right) /( kPa / s )\) \(1\) \(65.6\) \(40.0\) \(0.135\) \(2\) \(65.6\) \(20.1\) \(0.033\) \(3\) \(38.6\) \(65.6\) \(0.214\) \(4\) \(19.2\) \(65.6\) \(0.106\) JEE Mains 2022 Medium - The extra stability of half-filled subshell is due to
(A) Symmetrical distribution of electrons
(B) Smaller coulombic repulsion energy
(C) The presence of electrons with the same spin in non-degenerate orbitals
(D) Larger exchange energy
(E) Relatively smaller shielding of electrons by one another
Identify the correct statementsJEE Mains 2025 Hard - Which of the following statement(s) is/are correct? \((A)\) The \(pH\) of \(1 \times 10^{-8}\,M\,HCl\) solution is \(8\). \((B)\) The conjugate base \(H _2 PO _4^{-}\)is \(HPO _4{ }^{2-}\). \((C)\) \(K _{ w }\) increases with increase in temperature. \((D)\) When a solution of weak monoprotic acid is titrated against a strong base at half neutralisation point, \(pH =\frac{1}{2} pK _{ a }\) Choose the correct answer from the option given below.JEE Mains 2023 Medium
- For the thermal decomposition of reaction AB(g), the following is constructed.
The half life of the reaction is 'x' min.
x =_________ min.(Nearest integer)JEE Mains 2026 Hard
More PYQs from JEE Mains
- The first term of an A.P. of \(30\) non-negative terms is \(\dfrac{10}{3}\). If the sum of this A.P. is the cube of its last term, then its common difference is:JEE Mains 2026 Medium
- The coefficient of \(x^{7}\) in the expression \((1+x)^{10}+x(1+x)^{9}+x^{2}(1+x)^{8}+\ldots+x^{10}\) isJEE Mains 2020 Hard
- The lines \(\overrightarrow{ r }=(\hat{ i }-\hat{ j })+\ell(2 \hat{ i }+\hat{ k })\) and \(\overrightarrow{ r }=(2 \hat{ i }-\hat{ j })+ m (\hat{ i }+\hat{ j }-\hat{ k })\)JEE Mains 2020 Hard
- A small particle of mass \(m\) moves in such a way that its potential energy \(U=\frac{1}{2} m \omega^2 r ^2\) where \(\omega\) is constant and \(r\) is the distance of the particle from origin. Assuming Bohr's quantization of momentum and circular orbit, the radius of \(n^{\text {th }}\) orbit will be proportional to.JEE Mains 2023 Medium
- Conductor wire ABCDE with each \(\operatorname{arm} 10 \mathrm{~cm}\) in length is placed in magnetic field of \(\frac{1}{\sqrt{2}}\) Tesla, perpendicular to its plane. When conductor is pulled towards right with constant velocity of \(10 \mathrm{~cm} / \mathrm{s}\), induced emf between points A and E is _____ mV.
JEE Mains 2025 Hard - A \(KCl\) solution of conductivity \(0.14\, S m ^{-1}\) shows a resistance of \(4.19 \,\Omega\) in a conductivity cell. If the same cell is filled with an \(HCl\) solution, the resistance drops to \(1.03 \,\Omega\). The conductivity of the \(HCl\) solution is \(....... \,\times 10^{-2} \,S m ^{-1}\). (Round off to the Nearest Integer).JEE Mains 2021 Hard