The nature of charge on resulting collodial particles when is added to excess of hot water is:
Option: 1 neutral
Option: 2 positive
Option: 3 sometimes positive sometimes negative
Option: 4 negative
If FeCl3 is added to hot water, a positively charged sol, the hydrated ferric oxide is formed due to the adsorption of Fe3+ ions.
Fe2O3. xH2O/Fe3+
Positively charged.
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d