Chemical Equation Balancing

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JEE Advanced 2015

LEVELJEE Advanced

In dilute aqueous $H_{2} SO_{4}$ , the complex diaquodioxalatoferrate(II) is oxidized by $MnO_{4}^{-}$ . For this reaction, the ratio of the rate of change of $[H^{+}]$ to the rate of change of $[MnO_{4}^{-}]$ is -

JEE Advanced 2014

LEVELJEE Advanced

For the reaction $I^{-} + ClO_{3}^{-} + H_{2} SO_{4} \to Cl^{-} + HSO_{4}^{-} + I_{2}$ The correct statement(s) in the balanced equation is / are :

* Multiple Correct Options

(A)

Stoichiometric coefficient of

HSO_{4}^{-}

H_{2} O

is one of the products

JEE Advanced 2019

LEVELJEE Advanced

The amount of water produced (in g) in the oxidation of $1$ mole of rhombic sulphur by conc. $HNO_{3}$ to a compound with the highest oxidation state of sulphur is ______. (Given data : Molar mass of water = $18 g mol^{- 1}$ )

JEE Advanced 2023

LEVELJEE Main

$H_{2} S$ (5 moles) reacts completely with acidified aqueous potassium permanganate solution. In this reaction, the number of moles of water produced is x, and the number of moles of electrons involved is y. The value of (x + y) is ____.

JEE Main 2020

LEVELJEE Main

Consider the following equations : $2 Fe^{2 +} + H_{2} O_{2} ⟶ x A + y B$ (in basic medium) $2 MnO_{4}^{-} + 6 H^{+} + 5 H_{2} O_{2} ⟶ x^{'} C + y^{'} D + z^{'} E$ (in acidic medium) The sum of the stoichiometric coefficients $x, y, x^{'}, y^{'}$ and $z^{'}$ for products A, B, C, D and E, respectively, is ......... .

JEE Main 2021

LEVELJEE Main

The reaction of sulphur in alkaline medium is given below $S_{8} (s) + a O H^{-} (a q) ⟶ b S^{2 -} (a q) + c S_{2} O_{3}^{2 -} (a q) + d H_{2} O (l)$ The value of 'a' is ....... . (Integer answer)

JEE Main 2019

LEVELJEE Main

In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of $CO_{2}$ is

$2 MnO_{4}^{-} + b C_{2} O_{4}^{2 -} + c H^{+} ⟶ x Mn^{2 +} + y CO_{2} + z H_{2} O$ If the above equation is balanced with integer coefficients, the value of $c$ is ......... .

LEVELJEE Main

Consider the following reaction, $x MnO_{4}^{-} + y C_{2} O_{4}^{2 -} + z H^{+} ⟶ x Mn^{2 +} + 2 y CO_{2} + \frac{z}{2} H_{2} O$ The values of $x$ , $y$ and $z$ in the reaction are, respectively

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } For the reaction I−+ClO3−​+H2​SO4​→Cl−+HSO4−​+I2​ The correct statement(s) in the balanced equation is / are :

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The reaction of sulphur in alkaline medium is given below S8​(s)+aOH−(aq)⟶bS2−(aq)+cS2​O32−​(aq)+dH2​O(l) The value of 'a' is ....... . (Integer answer)

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of CO2​ is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } 2MnO4−​+bC2​O42−​+cH+⟶xMn2++yCO2​+zH2​O If the above equation is balanced with integer coefficients, the value of c is ......... .

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Consider the following reaction, xMnO4−​+yC2​O42−​+zH+⟶xMn2++2yCO2​+2z​H2​O The values of x, y and z in the reaction are, respectively

For the reaction $I^{-} + ClO_{3}^{-} + H_{2} SO_{4} \to Cl^{-} + HSO_{4}^{-} + I_{2}$ The correct statement(s) in the balanced equation is / are :

The reaction of sulphur in alkaline medium is given below $S_{8} (s) + a O H^{-} (a q) ⟶ b S^{2 -} (a q) + c S_{2} O_{3}^{2 -} (a q) + d H_{2} O (l)$ The value of 'a' is ....... . (Integer answer)

In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of $CO_{2}$ is

$2 MnO_{4}^{-} + b C_{2} O_{4}^{2 -} + c H^{+} ⟶ x Mn^{2 +} + y CO_{2} + z H_{2} O$ If the above equation is balanced with integer coefficients, the value of $c$ is ......... .

Consider the following reaction, $x MnO_{4}^{-} + y C_{2} O_{4}^{2 -} + z H^{+} ⟶ x Mn^{2 +} + 2 y CO_{2} + \frac{z}{2} H_{2} O$ The values of $x$ , $y$ and $z$ in the reaction are, respectively