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## MCQ (More than One Correct Answer)

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For the following reaction, $$2X + Y\buildrel k \over \longrightarrow P$$ the rate of reaction is $${{d[P]} \over {dt}}... JEE Advanced 2021 Paper 2 Online Which of the following plots is(are) correct for the given reaction?([P]0 is the initial concentration of P)... JEE Advanced 2020 Paper 2 Offline In the decay sequence. x1, x2, x3 and x4 are particles/radiation emitted by the respective isotopes. The correct option... JEE Advanced 2019 Paper 1 Offline For a first order reaction$$A\left( g \right) \to 2B\left( g \right) + C\left( g \right)$$at constant volume and$$300...
JEE Advanced 2018 Paper 2 Offline
In a bimolecular reaction, the steric factor $$P$$ was experimentally determined to be $$4.5.$$ The correct option(s) am...
JEE Advanced 2017 Paper 2 Offline
A plot of the number of neutrons (N) against the number of protons (P) of stable nuclei exhibits upward deviation from l...
JEE Advanced 2016 Paper 1 Offline
According to the Arrhenius equation,
JEE Advanced 2016 Paper 1 Offline
The % yield of ammonia as a function of time in the reaction N2(g) + 3H2(g) $$\rightleftharpoons$$ 2NH3(g), $$\Delta$$H ...
JEE Advanced 2015 Paper 1 Offline
In the nuclear transmutation 9Be4 + X $$\to$$ 8Be4 + Y (X, Y) is (are)...
JEE Advanced 2013 Paper 2 Offline
For the first order reaction 2N2O5 (g) $$\to$$ 4NO2 (g) + O2 (g)
IIT-JEE 2011 Paper 2 Offline

## Numerical

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$$_{92}^{238}U$$ is known to undergo radioactive decay to form $$_{82}^{206}Pb$$ by emitting alpha and beta particles. A...
JEE Advanced 2020 Paper 1 Offline
The decomposition reaction$$2{N_2}{O_5}(g)\buildrel \Delta \over \longrightarrow 2{N_2}{O_4}(g) + {O_2}(g)$$ is starte...
JEE Advanced 2019 Paper 2 Offline
Consider the kinetic data given in the following table for the reaction The rate of the reaction for [A] = 0.15 mol dm-...
JEE Advanced 2019 Paper 1 Offline
Consider the following reversible reaction, $$A\left( g \right) + B\left( g \right) \to AB\left( g \right).$$ The activ...
JEE Advanced 2018 Paper 2 Offline
In dilute aqueous H2SO4, the complex diaquodioxalatoferrate(II) is oxidized by $$MnO_4^-$$. For this reaction, the ratio...
JEE Advanced 2015 Paper 2 Offline
A closed vessel with rigid walls contains 1 mol of $${}_{92}^{238}U$$ and 1 mol of air at 298 K. Considering complete de...
JEE Advanced 2015 Paper 2 Offline
An organic compound undergoes first-order decomposition. The time taken for its decomposition to 1/8 and 1/10 of its ini...
IIT-JEE 2012 Paper 1 Offline
The periodic table consists of 18 groups. An isotope of copper, on bombardment with protons undergoes a nuclear reaction...
IIT-JEE 2012 Paper 1 Offline
The number of neutrons emitted when $${}_{92}^{235}U$$ undergoes controlled nuclear fission to $${}_{54}^{142}Xe$$ and $... IIT-JEE 2010 Paper 1 Offline The concentration of R in the reaction R $$\to$$ P was measured as a function of time and the following data is obtained... IIT-JEE 2010 Paper 1 Offline ## MCQ (Single Correct Answer) More The experimental value of d is found to be smaller than the estimate obtained using Graham's law. This is due to JEE Advanced 2014 Paper 2 Offline The value of d in cm (shown in the figure), as estimated from Graham's law, is JEE Advanced 2014 Paper 2 Offline For the elementary reaction M $$\to$$ N, the rate of disappearance of M increases by a factor of 8 upon doubling the con... JEE Advanced 2014 Paper 2 Offline In the reaction, P + Q $$\to$$ R + S, the time taken for 75% reaction of P is twice the time taken for 50% reaction of P... JEE Advanced 2013 Paper 1 Offline ## Subjective More At constant temperature and volume, X decomposes as 2X(g) $$\to$$ 3Y(g) + 2Z(g); Px is the partial pressure of X. .tg... IIT-JEE 2005 For the given reactions, A + B $$\to$$ Products, following data were obtained .tg {border-collapse:collapse;border-sp... IIT-JEE 2004 The vapour pressure of the two miscible liquids (A) and (B) are 300 and 500 mm of Hg respectively. In a flask 10 moles o... IIT-JEE 2001 The rate of a first order reaction is 0.04 mol litre-1 s-1 at 10 minutes and 0.03 mol litre-1 s-1 at 20 minutes after in... IIT-JEE 2001 A hydrogenation reaction is carried out at 500 K. If the same reaction is carried out in the presence of a catalyst at t... IIT-JEE 2000 The rate constant for an isomerisation reaction, A $$\to$$ B is 4.5 $$\times$$ 10-3 min-1. If the initial concentration ... IIT-JEE 1999 The rate constant of a reaction is 1.5 $$\times$$ 107 s-1 at 50oC and 4.5 $$\times$$ 107 s-1 at 100oC. Evaluate the Arrh... IIT-JEE 1998 The ionisation constant of $$NH_4^+$$ in water is 5.6 $$\times$$ 10-10 at 25oC. The rate constant for the reaction of $$... IIT-JEE 1996 At 380oC, the half-life period for the first order decomposition of H2O2 is 360 min. Calculate the time required for 75%... IIT-JEE 1995 A first order reaction A$$\to$$B, requires activation energy of 70 kJ mol-1. When 20% solution of A was kept at 25oC f... IIT-JEE 1993 The decomposition of N2O5 according to the equation: 2N2O5 (g)$$\to$\$ 4NO2(g) + O2(g) is a first order reaction. After ...
IIT-JEE 1991

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