Iso-electronic species
Which ion has the lowest radius from the following ions(a) Na+ (b) Mg2+ (c) Al3+ (d) Si4+ Answer: (d) All are the iso-electronic species but Si4+ has high positive charge so have lowest radius.
Which ion has the lowest radius from the following ions(a) Na+ (b) Mg2+ (c) Al3+ (d) Si4+
Answer: (d) All are the iso-electronic species but Si4+ has high positive charge so have lowest radius.
C-X bond length in halobenzene less then C-X bond lengthin CH3-x
Choose the right answer from following. Colligative properties are used for the determination of: (a) Molar Mass (b) Equivalent weight (c) Arrangement of molecules (d) Melting point and boiling point (d) Both (a) and (b)
what is the molarity of the solution prepared by dissolving 75.5 g of pure KOH in 540 ml of solution
What do you mean by the term enzymes? Briefly illustrate it.
Give me answer of this question. The number of moles of solute per kg of a solvent is called its: (a) Molarity (b) Normality (c) Molar fraction (d) Molality
list and identify differences between the major classes of hydrocarbons
Choose the right answer from following. Molar concentration (M) of any solution : a) No. of moles of solute/Volume of solution in litre (b) No. of gram equivalent of solute / volume of solution in litre (c) No. of moles os solute/ Mass of solvent in kg (
Provide solution of this question. A certain aqueous solution of FeCl3 (formula mass =162) has a density of 1.1g/ml and contains 20.0% Fecl. Molar concentration of this solution is: (a) .028 (b) 0.163 (c) 1.27 (d) 1.47
From where the tin is obtained? Briefly illustrate it.
Detail the moles of HCl which are present in .70 L of a .33 M HCl solution?
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