Recently Active General Chemistry Questions

*Image* about that SIGMA 2PX ...nd where sigma 2pz went .. neway give detail explanations and another Q HETERO DIATOMIC MOLECULES for exapmle NO .. the orbital diagram that is taken is it with respect to oxygen i men the high ...

why do protons exist in the nucleus of any atom even if they experience repulsive forces from each other?? ...

incresin hydration of ions a Ba+2 b Sr+2 c Ca+2 d Be+2 e Mg+2 ? n y ? ...

A sodium salt of an unknown anion when treated with MgCl2 gives white precipitate only on boiling. This anion is.. a) SO42- b) HCO3- c) CO32- d) NO3- ...

I am starting this thread where there will be all the exceptions in chemistry.... plz post here... the exceptions in chemistry u know....grow it up...it may b helpful... i m starting with a simple one....... AgCN is a sparing ...

What is the angle made by angular moment vector of an electron with z-axis? ...

which of d following statements on critical constants of gases are correct. a) larger the t.c./pc value of the gas larger would be the excluded volume b) critical temperature of the gas is greater thatn its boyle temperature. ...

find the atoms having same no of s and p electrons means no of electrons in s orbital=no of electrons in p orbital ...

wat is exchange energy & with ex. ...

IN THE REACTION 4NH3+5O2→4NO+6H2O WHEN 1 MOL OF AMMONIA AND 1 MOL OF O2 ARE ALLOWED TO REACT THEN {A}1 MOL OF H2O IS PRODUCED {B}1 MOL OF O2 IS CONSUMED {C}1 MOL OF NO IS PRODUCED {D}1 MOL OF NH3 IS CONSUMED ...

i need help in organic and inorganic can you please post the chapters in decreasing order of importance (or say the most important chapters in both please) please reply fast ! ...

Peopl. think polymer is concept less topic if u too think so hav a look at it Assertion:Nylon 6,6 is a copolymer Reason: a copolymer is one that is build using two monomer, in case of nylon 66 , 1,4 butane-dicarboxylic acid i ...

Though Zn is at higher position than Hydrogen in electrochemical series ....yet we get Zn at cathode in the electrolysis of ZnSO4 solution...why? ...

how can we find the increasing acidic nature of oxides? wich is more acidic?na2o or sio2 ...

Solid sodium bicarbonate was placed on a strip of pH paper. The colour of the strip - (a) turned blue (b) did not change (c) turned green and suddenly yellow (d) turned light pink ...

Q5 In a constant pressure process the volume of ideal gas changes from 1 L to 11 L at pressure of 1 atm. find the work done a) 1 kJ b) -10 kJ c) -1 kJ d) 10 kJ Your Answer: (b) Correct Answer: (c) Score: -1 Explaination : w=- ...

Calcium carbonate reacts with aqueous HCl to give CaCl2 and CO2 according to the reaction, CaCO3(s) + 2 HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l) What mass of CaCO3 is required to react completely with 25 mL of 0.75 M HCl? ...

I HAVE CHEM EXAM 2MORROW.......WT ACC TO U R THE MOST IMP TOPICS FROM SCHOOL POINT OF VIEW(11TH CLASS) I HAVE SOME PROBS IN MOLE CONCEPT(I CANT REMEMBER THE LAWS) AND A LITTLE IN ATOMIC STRUCTURE AND A LITTLE IN EQUILIBRIUM.. ...

find \lambda \;for\'particle\;,which\;moves\;wid\;1\;percent \;speed\;dat\;of\;light ans=[2.43*10^10] ...

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??????? ...

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 ...

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 ...