Recently Active Chemistry Questions

wich is more acidic water or phenol nd why?// ...

when will the study materiaaaaaaal be posted?? ...

when will the study materiaaaaaaal be posted?? ...

What is the percentage increase in weight when an open vessel kept at 21"Cis cooled to 7"C(avg molecular mass of air=29g/mol) ...

guys, a couple of years back, when i attended the Ntse interview they asked me this question for which i openly admitted that i do not know the and the ques was "what is the reaction between NH3and Mg?" till this date i dont ...

what happens when boiling water reacts with C6H5N2+Cl- ...

P4H10 is the anhydride of.... ...

Does the rate of a zero order reaction depend on temperature???? If not... WHY???? any one plzz reply... ...

Q. Find the hydration product: *Image* ...

why does the degree of dissociation of a salt of a weak acid and weak base not vary with concentration? ...

what is the Difference Between Mesomeric and Electrometric Effect ...

Hi everyone. i am preparing for iit 2012 and my organic chemistry is very weak. I want to ask that what strategy and books I should use to master the subject. Thanks ...

1000 ml of tap water containig ca(hc03)2 was titrated with N/50 hcl. if 300 ml of hcl were required calculate temporary hardness as parts of caco3 per 106 parts of water. please give complete solution ...

find the solubility product of a saturated solution of Ag2CrO4 in water at 298K if the emf of the cell is Ag|Ag+(satd Ag2CrO4 soln.)||Ag+(0.1M)|Ag is 0.164V at 298K. ...

i want somebody to explain the common ion effect in brief... preferably, manish sir or nishant sir...:P ...

1. 1.2 solution(W/V) of Nacl is isotonic with 7.2% solution(W/V) of glucose (molar mass 180 g mol-1. the degree of dissociation of nacl solution is____ 2. 'x'g of non electrolyte compound (molar mass 200) are dissolved in 1.0 ...

Q. A current of 3.7A is passed for 6hrs. between Ni electrodes in 0.5L of 2M solution in Ni(NO3)2. What will be the molarity of the solution at the end of electrolysis? Ans: 2M. Shouldn't it be less than 2M since it started a ...

what is the mass of oxygen that will react with 21 gm of Al? ...

Find the wavelength of electron having energy 150 eV ...

a) 50 ml of 0.1 M HCl + 50 ml of 0.01 M HCl b) 50 ml of 0.1 M HCl + 50 ml of 0.1 M H2SO4 c) 50 ml of 0.1 M HCl + 50 ml of 0.1 M CH3COOH (Ka=1.8x10-5) d) 50 ml of 0.1 M HCl + 20 ml of 0.1 M NaOH e) 50 ml of 0.1 M HCl + 50 ml o ...

Provide the name of the orbitals which has no angular nodes Also provide the orbitals with no radial nodes. ...

why dimethyl ether does not react with sodium???? ...

neo-pentyl bromide undergo nucleophilic substitution reaction very slowly...plz explain... ...

plz help me to convert aniline to ido benzene.. ...

when an electron jumps from a higher orbital to a lower orbital it radiate energy in the form of photons or waves but what is the reason that it doesnt this energy is given out in the form of heat there must be a reason ...

Q:1) *Image* Q:2) *Image* Q:3) *Image* Give A, X , and Product(s) if any. More will follow ...

1) Ph=N=C=O ----(1. CH3MgBr)----> ----(2. H2O------> 2) Ph--Br ----(Mg)---> A --(1. C*H3COCH3)---(2.H+)---(3.heat)---> B B------(NBS)---->C-----(AgNO3/H2O)---->D D-----(O3/H2O, Zn)---------> E + F Identif ...

*Image* + HBr ------(in Non polarizing medium)------> Ph--S--CH2--CH2--CH2--Cl -----(NaOD/D2O)-----> *Image* ...

what volume of .1 M H2SO4 must be added to 50mL of a .1M NaOH solution to make a solution in which molarity of H2SO4 is .05M (a)400ml (b)50ml (C)100ml (d)150ml answer given is (C) whereas i am getting (b) ...

if 1/6,instead of1/12,mass of carbon atom is taken as relative atomic mass unit then the mass of 1 mole of an atom will:......REMAIN UNCHANGED could someone prove it? ...