An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% Sulphur is
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An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% Sulphur is
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The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid is treated with excess $$H_2S$$ in the presence of conc. HCl (assuming 100% conversion) is
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The total number of orbitals associated with the principal quantum number 5 is:
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The group of molecules having identical shape is:
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At very high pressures, the compressibility factor of one mole of a gas is given by:
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Which intermolecular force is most responsible in allowing xenon gas to liquefy?
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For the reaction,
$$A(g) + B(g) \to C(g) + D(g)$$, $$\Delta H°$$ and $$\Delta S°$$ are, respectively, $$-29.8$$ kJ mol$$^{-1}$$ and $$-0.100$$ kJ K$$^{-1}$$ mol$$^{-1}$$ at 298 K. The equilibrium constant for the reaction at 298 K is:
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A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following:
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Identify the incorrect statement regarding heavy water:
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The correct order of the solubility of alkaline-earth metal sulphates in water is:
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Match the items in Column I with its main use listed in Column II:
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The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is:
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5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is
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BOD stands for:
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The solubility of $$N_2$$ in water at 300 K and 500 torr partial pressure is 0.01 g L$$^{-1}$$. The solubility (in g L$$^{-1}$$) at 750 torr partial pressure is:
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What will happen when a block of copper metal is dropped into a beaker containing a solution of 1 M $$ZnSO_4$$?
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The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process shown below:
$$O_3(g) + Cl^\bullet \to O_2(g) + ClO^\bullet(g)$$ ...(i)
$$k_i = 5.2 \times 10^9$$ L mol$$^{-1}$$ s$$^{-1}$$
$$ClO^\bullet(g) + O^\bullet(g) \to O_2(g) + Cl^\bullet(g)$$ ...(ii)
$$k_{ii} = 2.6 \times 10^{10}$$ L mol$$^{-1}$$ s$$^{-1}$$
The closest rate constant for the overall reaction
$$O_3(g) + O^\bullet(g) \to 2O_2(g)$$ is:
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A particular adsorption process has the following characteristics: (i) It arises due to van der Waals forces and (ii) it is reversible. Identify the correct statement that describes the above adsorption process:
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The most appropriate method of making egg-albumin sol is:
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The plot shows the variation of $$-\ln K_P$$ versus temperature for the two reactions.
$$M(s) + \frac{1}{2}O_2(g) \to MO(s)$$ and
$$C(s) + \frac{1}{2}O_2(g) \to CO(s)$$
Identify the correct statement:
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The non-metal that does not exhibit positive oxidation state is:
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Which one of the following species is stable in aqueous solution?
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Which one of the following complexes will consume more equivalents of aqueous solution of $$AgNO_3$$?
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Identify the correct trend given below:
(Atomic No. = Ti : 22, Cr : 24 and Mo : 42)
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The gas evolved on heating $$CH_3MgBr$$ in methanol is:
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Bouveault-Blanc reduction reaction involves:
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The test to distinguish primary, secondary and tertiary amines is:
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Assertion: Rayon is a semisynthetic polymer whose properties are better than natural cotton.
Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.
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The artificial sweetener that has the highest sweetness value in comparison to cane sugar is:
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Consider the following sequence for aspartic acid:
The pH (Isoelectric point) of aspartic acid is:
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