metallic chemistry
why transation metals show charaterstic colours to the flame?
Elaborate a dipole moment?
Mole fraction of any solution is equavalent to: (a) No. of moles of solute/ volume of solution in litter (b) no. of gram equivalent of solute/volume of solution in litters (c) no. of moles of solute/ Mass of solvent in kg (d) no. of moles of any
2.0gram of dolomite is heated to a constant weight of 1.0g. Calculate the total volume of CO2 produced at STP by this reation
order of decreasing basicity of urea and its substituents
why pentahalids are more covalent than tetrahalids
Choose the right answer from following. 200ml of a solution contains 5.85 dissolved sodium chloride. The concentration of the solution will be(Na= 23: cl = 35.5 ) (a) 1 molar (b) 2 molar (c) 0.5 molar (d) 0.25 molar
When the diffusion process is treated as the movement of particles through a solvent the diffusion coefficient can be related to the effective size of diffusing particles and the viscosity of the medium.To see how the experimental coefficients can be treat
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
show how a mathematical definition of entropy can be obtauined from a consideration of carnot cycle?
Briefly describe the difference in the Mendeleev’s table and modern periodic table?
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