Recently Active Physical Chemistry Questions

WHAT IS GRAM EQUIVALENT? ...

Calculate the no. of H2C2O4 molecules in 100ml of 0.02N oxalic acid solution. plz explain the steps ...

Constant b in DEBYE HUCKLE ONSAGER EQUATION depends on temp.,type of electrolyte and nature of solvent..But please explain whether it increase with increase or decrease in temp.and how it changes with type of electrolyte and ...

when faraday's law of electrolysis fails? ...

why raoult's law not applicable if two volatile liquids are not completely miscible? ...

what are line defects or dislocations? ...

blood is isotonic with: a]0.16 M NaCl b] conc.NaCl c]50% NaCl d]30% NaCl how to say i dont know ...

if a reaction disproportionates then how will we find the equivalent weight ?????? plz give examples too ...

an aqueous blue coloured solution of a transition metal sulphate reacts with H2S in acidic medium to give a black precipiate (A) which is insoluble in warm aqeous solution of KOH. the blue solution on treatment eit KI in weak ...

How solute -solute interaction affect electrolytic conductance .explain.vivdly ...

HI FRNDS SORRY TO DISTURB U ALL I WANT D LINK FOR MANIPAL RESULTS ...

Which of the foll will be isotonic at the same temperature? a)0.1 m urea and 0.1m nacl b)0.1 m urea and 0.2m mgcl2 c)0.1m nacl and o.1m na2so4 d)0.1m ca(no3)2 and 0.1m na2so4? With explanation please. ...

a sample of hard water is found to contain 40mg of Ca2+ ions/lit d amount of washing soda [Na2 CO3 ] required to soften 5 lit of sample is [in mg ] K2 Cr2 O7 is isomorphous to K2SO4 it is found to contain 26.78% Cr cal d atom ...

the molar volume of liquid benzene density = 0.877 g/ml increases by a factor of 2750 as it vapourises at 20°C and that of liquid toulene density = 0.867 g/ml increases by a factor of 7720 at 20°C . A solution of benzene an ...

For heating of water from 1 degree to 4 degree 1. Cp > Cv 2. Cp = Cq 3. Cp < Cq 4. Cp >= Cq ...

1g sample commercial AgNO3 is dissolved in 50ml of water. It is treated with 50ml of KI solution. The silver iodide thus precipated is filtered off. Excess of KI in the filtrate is titrated with M/10 KIO3 solution in the pres ...

d ionic compound XY has a ZnS type of structure if d radius of X+ is 22.5 pm wat is d ideal radius of Y- ? a beam of X-ray from a Cu target, with wavelength 154.1pm is passed at low angles onto d surface of a Ag crystal .As a ...

Can Charles law be stated with initial volume at 100 degree C? give reason! If no why?If yes , with what modification(s)? ...

the no. of bonds in CaC2 is ..... ...

1 mole n2o4 at 300 k is kept in a closed container under 1 atmosphere .it is heated to 600 k wen 20"% by mass n204 decomposes to no2 .the resultan pressure is a)1.2 atm b)2.4 atm c)2 atm d)1 atm ...

Please give the molecular orbital configuration for N22- and O2 ... sry for asking such a li'l question... but my class notes n text buk contradict n dats leading me to damn confusion...!!! ...

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a saturated solution of a sparingly soluble salt, MCl2 has a vapour pressure of 31.78 mm of Hg at 30 degrees., while pure water exerts a pressure of 31.82 mm of Hg at sam e temperature. Calculate the solubility product of the ...

the molarity of 720g pure water is 1)4M b)55.56M c)40M d)5.55M ...

Analysis shows that nickel oxide has the formula Ni0.98O1.00 . What fractions of nickel exist as Ni2+ and Ni3+ ions? ...

Cyclotrioxygen is unstable. Even though it follows octet rule,why is it unstable? ...

In a sample of the non-stoichiometric crystal Fe0.96O , the percentage of cationic sites occupied by Fe3+ ions is A) 8.0 B) 6.0 C) 4.0 D) 2.0 ...

k for reversible reaction is 3.2 if velocity constant of the forward reaction is a,12x10-3 velocity constant of br is ans is,2.86 x 10-4 how,,plz xplain ...

The vapour pressure of water at 15°C is 22 mm of Hg. What will be the vapour pressure of water at 30°C .. Assume that 540 cal of heat is reqd to convert water to vapour. ...

WHICH HAS GREATER FORMAL CHARGE ON O-ATOM? 1.N=O=N 2.N(TRIPLE BOND)N -0 3.EQUAL 4.CAN'T BE DETERMINED ...