Messages posted by rc_drish

please explain in terms of future scope and placements .

which is better in b.tech: IT or electronics &communication

for chem (iit) -

together with chem (objective)

for physics -tmh , d. mukherjee

for maths -

coordinate - s.l.loney (subj)

calculus - maron(subj)

tata macgrath hills (objective)

are good in my view in many ways.

ans - 4th obtn 20 g

so my ans is a)

hope u geddit !!!!!!!!!!!

short trick-

no. of u.c. = moles *N_o/ Z

where N_o= avagadro's no.

Z = rank of u.c.

moles = w / m

and what is the ans.

YO !!!!!!!!!!

I HAD ALSO GIVEN UPSEE.

bond order -in decr. order

NO₃^--> NO₂^-- > NO₂⁺

^{HOPE I M CORRECT .}

note that phosphorous can show pentavalent character with highly electronegative element and rest of the explination is given by ananth.

cheers !!!!!!!

hope satisfied !!!!!!!!!!!!!!!!!!!

RATE ME !!!!!!!!!!!!!!!!!!

NEUTRAL SALTS - r formed when strong acid is neutralised with strong base eg. NaCl,KNO₃,CaBr₂,CsClO₄.

!!!!!!!!!

funtastic !!!!!!!!!!!!!
lagey raho !!!!!!!!!!!!!

PURGATIVE= laxative

Epsom salts =hydrated magnesium sulphate used as laxative .

YO !!!!!!!!!!!!!!

ITS (d)

good job !!!!!!!!!!!!!
LAGEY RAHO !!!!!!!!!!!!!!!!!!!!!!!!

yeah it is a.

as no heat is evolved or absorbed .

eg. benzene + toulene .

coordination no.

pressure

1 / temperature

so on increasing pressure NaCl type struct. can be converted into CsCl type. (ie . 6:6 -------> 8:8)

in short neighbouring spheres in a close packing.

good !!!!!!!!!!!!

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