Solublity

Q. 44.The vanthoff factor for a 0.1 M Al2(so4)3 solution is 4.20 .The degree of dissociation is

Q. number of moles of NaOH in 27 cm3 of 0.15M NaOH solution is? In this how to convert cm3 to ml?

Q. Is benzoquinone anti aromatic

Q.

16. The ratio of d values in NaCl crystal is 1:0.707:1.154 how these values are obtained?

Q. Solubility of Al(OH)3 in presence of 0.1M Ca(OH)2 is \lbrack Ksp=4×10^{-34}\rbrack (1)4×10^{-34} (2)5×10^{-34} (3)5×10^{-32} (4)5×10^{-30

Q. Although haloalkanes are highly polar, they are soluble in water due to intermolecular attraction between haloalkanes and water molecules.

1. highly
2. slightly
3. weak
4. strong

Q. Toluene when refluxed with bromine in the presence oflight gives mainly1) obromotoluene(2) m-bromotoluene(3) p-bromotoluene (4) benzyl bromide Explain

Q. If the mole fraction ofzncl2 in water is 0.3 then molality of the solution will be?

Q. Statement-1: The order of nucleophilicity in a polar-protic solvent is:$I^{-}<B{r}^{-}<C{l}^{-}<F^{-}$
Statement-2: Due to its bigger size, $I^{-}$, it is less solvated in polar-protic solvents.

1. Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
2. Statement-1 is true, statement-2 is true and statement-2 is NOT correct explanation for statement-1.
3. Statement-1 is true, statement-2 is false.
4. Statement-1 is false, statement-2 is true.

Q. 2M of 1ooml of Na2SO4 is mixed with 3M of 100ml of NaCl with 1M of 200ml of CaCl2.The ratio of conc. of cation and