The pH of 0.1 M solution of the following salts increases in the order
NaCl < NH4Cl < NaCN < HCI
HCl < $NH_4Cl$ < NaCl < NaCN
NaCN < $NH_4Cl$ < NaCl < HCI
HCl < NaCl < NaCN < $NH_4Cl$
Additional Questions
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Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy ? |
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A substance A,B, crystallises in a face centred cubic (fcc) lattice in which atoms A occupy each corner of the cube and atoms B occupy the centres of each face of the cube. Identify the correct composition of the substance $A_xB_y$ |
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Which of the following is a sink for CO? |
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Number of lone pair(s) in $XeOF_4$ is/are |
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Which of the following compounds will exhibit geometrical isomerism ? |
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The longest wavelength of Het in Paschen series in “m”, then shortest wavelength of $Be^{+3}$ in Paschen series is (in terms of m): |
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Which one of the following orders represents the correct sequence of increasing basic nature of the given oxides? |
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The most suitable method of separation of 1 : 1 mixture of ortho-and para-nitrophenols is |
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In which of the following pairs of molecules/ions both the species are not likely to exist? |
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Consider the following liquid-vapour equilibrium |
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