IIT JAM

follow

Top Resources

S

Simun Mishra posted an Question

September 01, 2020 • 18:32 pm

30 points

IIT JAM
Chemistry (CY)

Here how to know in which case what happens ?

2 Answer(s)

0 Likes
4 Comments
0 Shares

>
Dinesh khalmaniya 1

got it??
- Likes(1)
- Reply(0)

>
Dinesh khalmaniya 1

hope this will help you
- Likes(1)
- Reply(0)

>
Dinesh khalmaniya 1

in case of oxidation of Toluene, CrO3/Anhydride gives aldehyde while CrO3/ Acid gives acid
- Likes(1)
- Reply(0)

>
Dinesh khalmaniya 1 Best Answer

simun, learn the function of each reagent. CrO3 oxidised active position just like benzylic and allylic
- Likes(1)
- Reply(28)
no sir I m not asking that I asking like ac20 and in 2nd acoh like different things are their
- Like(1)
so I m asking when cro3 and acoh react with a compound give only acid or not ?
- Like(1)
yes, CrO3 /Acetic acid gives acid
- Like(1)
CrO3/Acetic anhydride gives aldehyde
- Like(1)
it is fixed na sir means it will give same result also in other cases
- Like(1)
yes yes
- Like(1)
and sir only in 2 active side na benzilic and Allylic
- Like(1)
yes
- Like(1)
but sir pls check the 3rd example here ketone form na
- Like(0)
wait
- Like(1)
ok sir
- Like(0)
but here also active benzylic position is pressnt
- Like(1)
but sir ac2o give aldehyde na
- Like(0)
yes
- Like(1)
so why here ketone form
- Like(0)
😁😁let me explain
- Like(1)
ok sir
- Like(1)
check it
- Like(1)
kuch smjh me aya
- Like(1)
I know about the active position sir I m asking in one case ac2o give aldehyde and in another case give ketone ,?why
- Like(0)
because jha pr oxygen jayega, wha O add krna he
- Like(1)
O active position pr jayega
- Like(1)
apko to yh delhna he ki active position pr C=O bnana he
- Like(1)
agar chain 1 carbon ki he to hmesa aldehyde jbki 1 se jad carbon ki he to hmesa ketone bnega
- Like(1)
yes sir I got it know
- Like(1)
sir yeh reagent chemistry bahut confusing he🤕🤕
- Like(0)
vo to he, pr practice jruri he
- Like(1)
yes sir apke explanation k baja se kuch samajh mein araha he barna ye tho 🤪
- Like(1)

T