pH of an aqueous NaCl solution at 50^(@) C should be :
The value of the ion product constant for water, (K_(w)) at 60^(@) C is 9.6xx10^(-14) M^(2) what is the [H_(3)O^(+)] of a neutral aqueous solutoin at 60^(@) C and an aqueous solution with a pH=7.0 at 60 ^(@) C are respectively?
Calculate approximate pH of 10^(-10) M NaOH at 25^(@)C.
Chose the correct code {:(,"Column"-I , "Column"-II,), ((P), pK_(b) "of" X^(-) (K_(a) "of" HX = 10^(-6)), (1), 6.9), ((Q), pH of 10^(-8) M HCl, (2),8), ((R), pH of 10^(-2) "M acetic and acid solution" (Take K_(a) of acetic acid=1.6xx10^(-5)), (3), 10.7), ((S), "pOH of a solution obtained by mixing equal volumes of solution with pH 3 and 5"., (4),3.4):}
Estimste the lowering of vapour pressure due to the solute (glucose) in a 1.0 m aqueous solution at 100^(@)C :
Calculate the [OH^(-)] in 0.01M aqueous solution of NaOCN(K_(b) for OCN^(-)=10^(-10)) :
Calculate the molal elevation constant of water (K_(b) = ?) . Given that 0 . 1 molar aquous solution of a substance boiled at 100 .052^(@) C
In winter, the normal temperature in Dharmshala is - 8^(@) C Is a 30% by mass of an aqueous solution of ethylene glycol (molar mass = 62) suitable for car radiator . K_(f) for water is 1 . 86 K/m
Calculate pOH of 0.1 M aq. Solution of weak base BOH (K_(b)=10^(-7)) at 25^(@)C.
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
