Recent questions in Some basic concepts in chemistry

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. Which of the following is not correct about carbon monoxide?

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\(\mathrm{HCl}\) was passed through a solution of \(\mathrm{CaCl}_{2}, \mathrm{MgCl}_{2}\) and \(\mathrm{NaCl}\). Which of the following compound(s) crystallise(a)?

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Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

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Identify the correct statement from the following:

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A mixture of \(N_{2}\) and \(A r\) gases in a cylinder contains \(7 g\) of \(N_{2}\) and \(8 g\) of \(A r\). If the total pressure of the mixture of the gases in the cylinder is 27 bar, the partial pressure of \(N_{2}\) is: [Use atomic masses (in g \(\mathrm{mol}^{-1}\) ) : \(N=14, A r=40\) ]

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

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An increase in the concentration of the reactants of a reaction leads to change in :

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Paper chromatography is an example of :

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The number of Faradays(F) required to produce \(20 \mathrm{~g}\) of calcium from molten \(\mathrm{CaCl}_{2}\) (Atomic mass of \(\mathrm{CaCl}_{2} \mathrm{~g} \mathrm{~mol}^{-1}\) ) is :

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

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The freezing point depression constant \(\left(K_{f}\right)\) of benzene is \(5.12 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). The freezing point depression for the solution of molality \(0.078 \mathrm{~m}\) containing a non-electrolyte solute in benzene is (rounded off upto two decimal places):

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

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The correct option for free expansion of an ideal gas under adiabatic condition is:

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The calculated spin only magnetic moment of \(C r^{2+}\) ion is :

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On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:

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Hydrolysis of sucrose is given by the following reaction. Sucrose \(+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons\) Glucose \(+\) Fructose If the equilibrium constant \(\left(K_{c}\right)\) is \(2 \times 10^{13}\) at \(300 \mathrm{~K}\), the value of \(\Delta_{r} G^{\ominus}\) at the same temperature will be :

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

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. Identify the correct statements from the following:

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. Find out the solubility of \(\mathrm{Ni}(\mathrm{OH})_{2}\) in \(0.1 \mathrm{M} \mathrm{NaOH} .\) Given that the ionic product of \(\mathrm{Ni}(\mathrm{OH})_{2}\) is \(2 \times 10^{-15}\)

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Q1. Identify a molecule which does not exist.

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Q. Identify the correct statement from the following:

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Q. Root hairs develop from the region of :

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Q. Sertoli cells are regulated by the pituitary hormone known as-

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Q. Which of the following is not correct?

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

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Recent questions in Some basic concepts in chemistry

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