Recently Active Chemistry Questions

what is the shortcut to find hybridisation in a compound?????? ...

can u give an elaborated definition of covalent bond??? ...

out of water and HF, water has higher BP. what in case of water and ammonia??? ...

PERIODIC TABLE:-Name the group having metal,nonmetal,liquid as well as gas at room temperature ...

the 2 pi bonds take shape of a cylinder in acetylene. does it happen in case of nitrogen too???. if yes, its ok.....if no, why??????? ...

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 ...

water forms H3O +.... y doesnt it form H4O ++ ??????????? ...

*Image* why maximum no. of H-bonds in HF is 2, whereas that in water is 4?? (refer to the highlighted portion..) and why are the bond lengths different for different H-bonds from the same molecule? (in the pic, bond lengths a ...

http://www.ben.mills.btinternet.co.uk/chemistry/dict.htm a site worth visiting....... SOURCE : Eureka ne bataya He he... [4] [3] [1] ...

wat is meant by ambient temperature conditions? wat is calld a surfactant? ...

Q10 2-methylbutane can be prepared by a) decarboxylation b) grignard reagents c) Wurtz reaction d) all of the above ans is d...........how can it b prepared by wurtz reaction?????only symmetric alkanes are generated by this m ...

can any one give the mech and hence the prod. *Image* ...

wat r ligands and how is CN- a strong ligand ...

hi evrione in this forum i will try to put some imp chem Q on a regular basis most of the q will be thought provoking & conceptual but please do tell if they are too easy i will add the Qs in the second post and other things ...

1 In order to prepare a 1º-amine incorporating an additional CH2 group from an alkyl halide, what reagent is often used as the nitrogen source? A) sodium amide, NaNH2 B) sodium azide, NaN3 C) potassium cyanide, KCN D) potass ...

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 ...

1) predict d formula of d compound formed b/w element wid atomic no. 71 & fluorine. 2) y d electronegativity of nitrogen on pauling scale is 3.0 in all d nitrogen compounds? 3) wat is d significance of a + & a - sign shown in ...

Hey friends! this is aakash sherawat asking you people to give a bit of help in making me learn a bit of chemistry! By the way I am asking you people that in the group chemistry are we supposed to learn the uses of the indivi ...

pls tell me how to find the hybridisation of a complex compound or ion? ...

are the complexes K4(VF6) and [Ti(NO3)4] coloured complexes ...

The highest oxidation state is exhibited in oxoanions of a metal. Why?? My answer is that oxygen has very high electronegativity and can form multiple bonds. Am i correct?? ...

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 ...