Given van der Waals constant for $NH_3, H_2, O_2$ and $CO_2$ are respectively 4.17, 0.244, 1.36 and 3.59, which one of the following gases is most easily liquefied?
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The solubility of $BaSO_4$ in water is 2.42 × $10^{–3} gL^{–1}$ at 298 K. The value of its solubility product $(K_{sp})$ will be (Given molar mass of
$BaSO_4 = 233 g mol–1)$
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In which case is number of molecules of water maximum?
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The correct difference between first and second order reactions is that
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Among $CaH_2, BeH_2 , BaH_2,$ the order of ionic character is
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Consider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below :
Then the species undergoing disproportionation is
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For the redox reaction $MnO_4^-+C_2O_4^{2-}+H^+\rightarrow Mn^{2+} +CO_2 + H_2O$ The correct coefficients of the reactants for the balanced equation are $MnO_4^-$ $C_2O_4^{2-}$ $H^+$
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Which one of the following conditions will favour maximum formation of the product in the reaction, $A_2(g)+B_2(g)\rightleftharpoons X_2(g)\triangle_r H=-XKJ?$
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When initial concentration of the reactant is doubled, the half-life period of a zero order reaction
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The bond dissociation energies of $X_2 , Y_ 2$ and XY are in the ratio of 1 : 0.5 : 1. ΔH for the formation of XY is –200 kJ $mol^{–1}$. The bond dissociation energy of $X_2$ will be
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