[b]CHEMISTRY Q BY VISHAL[/b]

arey hain a part ka ans allyl iodide nahi hai i m sry jaldibagi mein galat cheez dekh lee

kyun???

kan u tell da equivalents of HI in each partssss

in q u will not be given eqivalents do it with given data they r easy u can do it u r on rite path try a little more else i will giv u the equi for b part

a)2 Iodo propane
b)allyl iodide

got my mist.

part a) 2-iodopropane

yah!

precisely wat akshay says!!

nice initiative vish!!

keep 'em cumin!!! :)

raise the diff level still [4] [3] [1]

yup rite ans cheers thanks tapan i will still try to further inc the level [4]

hey evry1 i will also put some imp tips and facts related to Q in this forum [1]

FACT1: lapis lazuli is rare mineral having blue colour .Ultramarine is an artificial lapis lazuli.It's a complex of silicate of sodium and aluminium containing 12% sulphur.

not in jee i m sure but can be in aieee and dce (maybe) nothing harmful in gaining knowledge.[1]

ha diya diyo, jitna jaada jaante hian utna majaa aatha hian mujhe

mujhe bhi [1][4][9]

this is gud too may be moast of u know it ............. still
FACT2: HUME ROTHERY RULE for complete miscibility
1. the 2 metals must be similar in size .Their metallic radius must not differ [by more than 15%
2. Both metals must have the same crystal structure.
3. the chemical properties of the metals must be similar .In particular the number of velency electrons should be the same.

Q1 Barium titanate crystallizes in perovskite structure which is a cubic lattice . with Barium ions occuping the corners of unit cell , oxide ions occupying the face centres and titanium ions occupying centres of the unit cell . if Ti⁴⁺ion is described as occupying the holes in Ba-O lattice , the type of holes and fraction of these ions are ?? -------->( answered )<--------------------------

Q2 at room temperature ( 200C ) milk turns sour in about 64 hrs . in a refrigerator at 30C milk can be stored 3 times as long before it sours. what will be the activation energy of the reaction that causes the souring of the milk ??

-------->( unanswered)<------------------------------------------

Q3 on heating glycerol with excess amount of HI , the product formed is ??
also tell the product when HI is used in small amount ?

-----------------> (answered)<--------------------------------------------

Q4 : It's an experimental fact that Cs2[CuCl4] is orange coloured but (NH4)2[CuCl4] is yellow.It's further known that total paramagnetic moment of an unpaired electron is due to spin as well as due to nature of orbital , d-orbital contributing more than s or p.Thus the total paramagnetic moment of orange compound is found to be more than that of yellow compound.than which one is correct?

a)anion of orange compound is tetrahedral and that of yellow is square planer.
b)anion of orange compound is square planar and that of yellow is tetrahedral.
c)both the anions are tetrahedral
d)both the anoins are square planar

------------------> (unanswered)<-------------------------------------------------

part b mein se pata chal jaega na!!!!

its true tapan but mechanism ??

part b)

1,2,3 triiodopropane

also tell the steps ( its important )

yaqad aa gaya!!!

its allyl iodide rite!!!

think think a hav edited the Q

iodopropane ya aisa kuch ho sakta.... lemme think!! [12]

sorry, i was thinking of HIO4. jara dimmaag hil raha hain. in that case i am right na?

mathie i dont want to say this but your answer is not anywhere near

these were not even in the options

this is a gud Q

*** edited i hav made it bit clearer to think
Q3 on heating glycerol with excess amount of HI , the product formed is ??
also tell the product when HI is used in small amount ?