Messages posted by pkciit

PHY N CHEM.........

OPTIMISM OR PESSIMISM....???

the correct order follows:-

HCLO4>HCLO3>HCLO2>HOCL

the greater the no. of oxygen atoms the greater 'll b the dispersal of negative charge...

hence the more 'll be the acidity.......

@achin

hey hold on......wat's all this crap yaar...............

don't b so disheartened ..IIT 's not the end....thr r even more better colleges but yes ofcourse u shud aim for atleast to b in ny of the top 30 institutes ............

moreover ..am droppin this yr too.......so i blive that if u r studyin for 2 hrs also a day then itz enough...but wid full concentration ....at tis point of time u shud b focussed at ur aim .i e. IIT

well ....surfin n watchin tv ain't a bad thing but it shud b limited........

so just set d goal in ur mind....." ll definitely crack iitjee-2009"

all d best dude..........

is it critical temperature

if am wrong plzz correct me..........

ABMO IS MORE DELOCALISED THAN BMO SO IT HAS GREATER ENERGY THAN BMO......

there 'll b no effect on silverin the surface of a mirror

instead when the surface of lens is silvered , it ultimately behaves as a miror.....

nd thrs also a change in focal length too.............

the hybridization is sp3d3 containing 1 lone pair

distorted octahedral shape or capped octahedral.....

examples are

CH3COOC2H5 +H2O ------>CH3COOH+C2H5OH

N2O5------>4NO2+O2

H2O2(aq)----->H20+1/2 O2

i think itz mainly bcoz of lanthanide contraction.........

@shwetank

flourine is the most electronegative element

according to pauling scale itz electronegativity is 4.

breaking traffic rules to imprisonment

masoom frm outside but shararati frm inside..........lol

explain yy Ccl2 is unstable while PbCl2 is stable???

the trend of EA is tat along a period it increases nd down a group it decreases

so option 1)is correct.........

1)true
2)false
3)b
4)e
5)c

hey am interested too..............................

the problem is whenever i try to download ny files from net it says

"the internet explorer cannot download the site,this site is blocked n blah blah"

so guys plzz help me out

suggest ny solution

rates assured

the correct options are a) nd d).....

xenon is a noble gas itz a grp 18 element

as we move down the grp the ionization energy decreases down the group

the ionization energies of the grp 18 elements the highest.........

well saarika u got the right answer

nd thanks a lot

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