Recently Active Physical Chemistry Questions

1. I3+ 2.I3- ...

The Ksp values for Fe(OH)3 and Al(OH)3 are 1.1*10-36 and 1.8*10-33 respectively.A solution is 0.1M in Fe3+ and Al3+ Q1At what OH- concentration will Al(OH)3 begin to precipitate? Q2At what OH- concentration will Fe(OH)3 b ...

At 51.2Degree celcius,the pressure of a certain mass of acetic acid vapour was found to be 25.98mm/hg in a container of volume 359.8 ml for the equilibrium (CH3COOH)2≡2CH3COOH. The vapour on condensation and titration requi ...

A certain gas A polymerizes to a small extent at a given temperature & pressure, nA \Leftrightarrow An. Show that the gas obey the approx equation \frac{PV}{RT}=\left[1-\frac{(n-1)K_{c}}{V^{a-1}} \right]whereK_{c}=\frac{\left ...

STATEMENT-1: For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. and STATEMENT-2: At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing Gibb ...

In my boards exam a question read....... For a first order reaction, the half life period is dependent on? a.catalyst b.temperature c.square root of conc. of reactants d.rate constant Almost all the students wrote rate consta ...

Q5 The standard reduction potential of Li+/Li, Ba2+/Ba, Na+/Na & Mg2+/Mg are -3.03, -.73, -2.71 and -2.37 volt respectively. Which one is the strongest oxidizing agent? a) Na+ b) Li+ c) Ba2+ d) Mg2+ Your Answer: (c) Correct A ...

what is it pls tell with example sea model explain band model explain ...

Weakest acid among the following is : A) ClO3(OH) B)ClO2(OH) C)SO(OH)2 D)SO2(OH)2 ...

in case of bi-molecular collisions we calculate the value of b(in volume correction )as 8Ï€r3/3 (for one molecule) can somebody give me the value of b in case of tri-molecular collision and tetra-molecular collision ...

what is the different between the solubility and ionic product and how tu use these to find whether the solution is saturated,super saturated ...

N2O4 is 25% dissociated at 37degree C and at one atmsphere pressure calculate d Kp and d percentage of dissociation at .1atmsphere and 37 degree C here i found Kc first and then converted it into Kp wid d help o' formula ...

What is the pH of 10-8 M NaOH aqueous solution? ...

plzz tell me how to find Kb ( b is in subscript) if Kf (f is in sub script) Tf n molality is given for sum particular compound ...

Consider the following reaction: MnO2 + 4HCL → MnCl2 + Cl2 +2H2O Equivalent mass of MnO2 and HCl are ............... M and M' are the molar masses of MnO2 and HCl respectively ...

the que is from P bhadur.... which one of LiI and KI will be more soluble in water and why??? plz reply soon its urgent.... thnx ...

In a litre of water, 10-8 mole of HCl is added first and then 10-8 M of NaOH is added. The pH of the resultant solution is ...

i hav red itz = to 2Σs+1 s is spin quantum nos . wat is condn of zero spin multiplicity ,when ter r no spins or wat ??/? ...

in moving boundary method for transport number What is correct a)lighter solution is in upper anode compartment b)lighter solution is in upper cathode compartment explain ? ...

conductivity cell is platinised to avoid polarization effect What is polarization effect ...

what is green vitriol, white vitriol, absence salt, salt peter ? is the solution of vitriols and salt peter conducting in water ...

quinhydrone half cell reaction is reversible to a)H+ b) quinone c) quinol ...

1.12 ml of a gas is produced at S.T.P. by the action of 4.12 mg of alcohol, ROH, with methyl magnesium iodide. find the molecular mass of alcohol. ...

What molar concentration of HCO3- can exist in arterial blood at pH 7.35 when molar concentration of CO2 in blood is 2.2*10-2 ...

explain water voltameter and silver voltameter ...

propene to propyne ethanol to butyne ...

to find bond order, we have to write the electronic configuration in accordance with molecuar orbital theory. can anyone please explain me how to write the electronic configuration in accordance with molecular orbital theory. ...

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Order of reaction if half life is inversely proportional to initial concentration ...

when complex exihibit coordination isomerism then how to find oxidation state ...