Question

i will write some of my doubt questions here and then make a new post when these doubts get cleared for other doubts. My approach to the problems are also written. :))

#1 -> how do i draw the structure of \(P_2Cl_{10}\) ? (pending)

#2-> will bromo cyclo pent 2,4 diene give yellow precipitate of AgBr on gently heating with \(AgNO_3\) ? (pending)

#3-> complete the reaction-> K+ (cyclobute1-3 diene ) (pending)

Answer 1

well \(P_2Cl_{10}\) is a dimer form of \(PCl_5\)

\(PCl_5\) exists in dimer form because of ionic bonds



so here i am stuck
do we kinda make up the structures of the 2 ions somehow from which \(P_2Cl_{10}\) is formed? :\

Answer 2

PCl5 structure is fairly simple. Phosphorous can form up to five bonds; therefore, Phosphorous can form five bonds of chlorine. PCl5, phosphorous is the center atoms bonded by five chlorine

Answer 3

yes PCl5 is \(sp^3d\) so its structure will be like this
but i am stuck at \(P_2Cl_{10}\)

Answer 4

for #2 i think that if we remove Br then the structure formed will be aromatic and therefore it is stable. We are getting a stable compound after reaction this means that reaction must take place.

but it says that the reaction will not take place :/ why?

Answer 5

for #3
cyclobute1-2diene is anti aromatic and it must become aromatic
so
it must either become like A or like B so that it becomes aromatic and gains stability-
now i am stuck :/

Answer 6

The last one is cyclo-but 1,3 diene.Right?

Answer 7

yes it is cyclo-but-1,3 diene
sorry typo

Answer 8

Well, i really don't see a fault in your approach to second question.

Answer 9

#2
yeah
there is no double bond character between B-C bond
neither there is powerful overlapping so they must detach