DL system of nomenclature of optical isomers || L-5, Unit-1 || POC - 3 || B Pharmacy 4th Semester 

1.A< D- Erythrose B

Please make4 sem all subjects notes and videos . I hope you become head of pci board, as you explain and make easy notes no RU-vid channel and no sir can make these easy notes and explaination like you sir . I respect you lot and proud of you sir and I wish you would have been in my college and explain all subjects very easily and no sir can teach like you all subjects because they teach only single subject and no knowledge of other subjects and they are not completing syallabus and not providing notes also only my college collecting fees

1.a(D),b(L) 2.c(D),d(L) 3.e(D),f(L) 4.g(L),h(D)

Appreciable 🌸 Just got a good vibe out of it and clicked on this beautiful lecture 😃. Thanks!

1. D-Erythrose and L-Erythrose 2. D-Threose and L-Threose 3. D-Glucose and L-Glucose 4. L-Serine and D-Serine

Thank you so much Allah aapko salamat rakkhe

Thank you so much Sir ji❤️

A= D, B= L, C= D, D= L, E= D, F = L, G= L, H= D sir these are my answers ..

sir apka cls bohut assa lagtaa hain

1. A-(D). B-(L) 2. C-(D). D-(L) 3. E-(D). F-(L) 4. G-(L). H-(D)

1.A-D, 2.B-L, 3.C-D, 4.D-L, 5.E-D, 6.F-L

Bahut bahut dhanyawad sir ❤👏

Bro your teaching is super bro. 🌼💜

The answer is_ 1.A is Dextro-erythrose B is Levo-erythrose And 2.C is Dextro-threose D is Levo-threose And 3.E is Dextro-glucose F is Levo -glucose And 4.G is Levo- serine H is Dextro- serine .

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A-dextro-erythrose B-levo-erythrose C-dextro-threose D-levo-threose E-dextro-glucose F-levo-glucose G-levo-serine H-dextro-serine

Answer of the task you give is--- 1. A is D-erythrose B is L-erythrose 2. C is D-threose D is L-threose 3. E is D-glucose F is L-glucose 4. G is L-serine H is D-serine

Vary good 👍 take more explems sir 🙏

Nice method sir❤

1~ a-D, b-L 2~ a-D, b-L 3~ a-D, b-L 4~ a-L, b-D

Vii 2 no example (c,d)Jo ha uspe OH dono taraf ha one one to use kasa define Karu ki a levo eya dextro haa???? . Plz reply

Acha krwaya ha Ap ny

Racemic modification and resolution of a racemic mixture.... Next plz

4th Sen important?

Sir organic chemistry 4th sem k important questions ki video bna dijiye please

many many thanks bro..

A= D ,B= L , C=D, D=L, E=D , F=L, G=L, H=D.

Awesome 👍

A ,B are optically inactive C - L D- D E- D F - L

A=D(+) B=L(-) C=D(+) D=L(-) E=D(+) F=L(-)

Thanks sir

DL configuration/system A=(D+),B=(L-),C=(L-),D=(D+),E=(D+),F=(L-)

First one is D-erythrose and another one is L-erythrose Second one is D-threose and another one is L-threose Third D- glucose and one is L-glucose may be

Thanks 👍

Mja a gya guru

Well explained!!👍

Sir DL system k NOTES provide kar dijiye please 🙏🙏

Brilliant sir

Best 👍

I have queries sir Glyceraldehyde molecule Fischer projection possesses LEAST PRIORITY GROUP AT HORIZONTAL LINE WHICH MEANS INITIAL CONFIGURATION OF MOLECULE REVERT THEREFORE CONFIGURATION FOR FIRST MOLECULE OF GLYCERALDEHYDE SHOULD BE L PLEASE SIR LET ME KNOW I AM CONFUSED

Racemic modification and resolution of racemic mixture. Sir we had thz topics in our sylubus copie so Plz make a Vedio sir

Good morning sir

Thank you ❣️❣️

Both side OH group hai fir kasa kra D OR L ?

Good lecture

A=d B=L c=d d=l e =d f=l

Sir 5th example me 2 asymmetric carbon h toh bottom wala agr dekhe toh usme toh OH lga h uske according Levo hua ,sir please clear my doubt

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Thanks 👍 sir..

1. D &L 2.D&L 3.D&L 4.L&D

Ais D, B isL C is D Dis L A of 3rd is D And B is L

A. D and B. L C. D and B. L E. D and F. L G. L and H. D

4th semester impatient qustion

G= (L), H= (Dextro)

1)D-L 2)D-L 3)D-L 4)D-L

Gd noon sir 2nd ke (c) me to dono side (oH) group joint hai phir is ko kese recognise krnge

Sir How to decide D is positive or negative??

Thanks sir ❤️

Tq ❤️

A:- D B:- L C:- D D:- L E:- D F:- L G:- L H:- D Sahi hai ya nahi jarur reply Krna sir 🙏

Sir 3 salo ka pyq papr chahiya 4 sem ka( aktu ka) bhut important hai sir kya mil skta h?🙏🙏🙏

Nice sir

4th semester ke imp batayiye sir

Medicinal chemistry-1 ka Drug metabolism 1st unit par video laiye 🙏🙏

DLDLDL

Muje koi btayega (+) and (-) sign...kesse pta chlega like L(+)frcutose hota h ya L(-)fructose....and why

Sir but C N D is same wt to do.....

Important question bna do sir 4th sem

C and d ka d positive theriose and negative theriose hoga sorry sir aaj hi aap ka video dekha hu mai😂

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Sir ji

A ka hoga D+ erythrose and B ka L negative hoga

sir RS nomenclature ki video kb a aa gi

What if alcohol is present at both sides

Sir glucose vala nahi smjh araha hai plzz explain it

Sir steriochem ke notes nhi hai site pr

Long chain means?

Sir dl system ke notes provide kara do please

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Best part is minus OH 😅

Sir iska pdf and 4th lecture ka pdf provide please 🙏

Hii sir DL configuration note ka tasks example ma 2nd wala ans thora samoj nahi aya

A.D B.L C.D D.L

3:00 isme L(+) kyu?? 0:42 pe kaha ki L me (-) hoga

Sir plz RS system upload kre

1000 viewer

Sir plzz es ke aap notes available kra skte h

2nd vale me to dono side OH h aur single single hi h btaye kaise kre please reply 😭

Sir organic 1st unit ke notes download nhi ho rhe 😢

1. A- dextro B-leavo 2. A- leavo B-dextro 3 A- dextro B- leavo

D=L

Sir ji NH2 ko preference dete kyo hai

A dextro

Ab lgta h ho jaunga pass

Sir 1 unit cha return notes phijet (PDF)

Bhai jab book me diya hai ki Fischer ne 1908 me discover kiya to around 1900 q likha

Sir please give the notes link

Sir TCA pharma ka industrial Pharmacy book hai to pls send

Aur uper CHO ko kyo nhi rotate krate h

D both