The addition of a catalyst during a chemical reaction alters which of the following quantities?

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ALOK_RAJ Asked May 7, 2022

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From the following reaction sequence —

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K2Cr2O7 + C2O4^2– + H2SO4 → K2SO4 + CO2 + Cr2(SO4)3 + H2O. In above reaction, identify the elements which do not undergo change in their oxidation state —

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Which reaction represents auto redox or disproportionation reaction :

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If 30 ml of H2 and 20 mL of O2 react to form water, what will be left at the end of the reaction?

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The rate of first-order reaction is $0.04 {~mol} {~L}^{-1} {~s}^{-1}$ at $10 {s}$ and $0.03 {mol} {~L}^{-1} {~s}^{-1}$ at $20 {~s}$ after initiation of the reaction. The half-life period of the reaction is

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When white phosphorus reacts with caustic soda, the products are PH3 and NaH2PO2. This reaction is an example of :

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ALOK_RAJ Asked Dec 1, 2023

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In the given reaction

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ALOK_RAJ Asked Nov 28, 2023

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The reaction given below, involving the gases is observed to be first order with rate constant $7.48 \times 10^{-3} {sec}^{-1}$.

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For the reaction

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In a reversible chemical reaction having two reactants in equilibrium with one product, if the initial concentration of both the reactants is doubled, then the equilibrium constant will :

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Balance the following redox equations :

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In the following reaction, 3A(g) + B(g) ⇌ 2C(g) + D(g), Initial moles of B is double of A. At equilibrium, moles of A and C are equal. Hence % dissociation of B is :

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For the non-stoichiometric reaction : $2 A+B \rightarrow C+D$, the following kinetic data were obtained in three separate experiments, all at $298 {~K}$.

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For the cell prepared from electrode A and B, electrode $A : \frac{ Cr _{2} O _{7}^{2-}}{ Cr ^{3+}}, E _{\text {red. }}^{0}=+1.33 V$ and electrode $B$ : $\frac{F_{e^{3+}}^{F e^{2+}}, E_{\text {red. }}^{0}}{}=0.77 V$, which of the following statement is not correct?

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The curve of pressure volume (PV) against pressure (P) of the gas at a particular temperature is as shown, according to the graph which of the following is incorrect (in the low pressure region):

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The addition of a catalyst during a chemical reaction alters which of the following quantities?

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