3:34:00 Sir It should be A ReAson is that The main product when ethane reacts with chlorine is chloroethane but other products are also obtained in small quantities. The formation of these other products reduces the yield of chloroethane. This is an example of substitution reaction because one of the hydrogen in ethane is replaced by an atom of chlorine
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Equation me oxygen ko balance krny k lia for alkane ki combustion kry tou trick hy 😊 . ap carbon k atom ko double krdo hydrogen atom ko half krdo then jsy propane hy c3h8hy..6+4=10 divid by 2.)10/2=5 mole
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1:31:48 C hoga bcz step 3 ma ethene ki chlorination ki ha to product dutch liquid mila or phr dutch liquid ka koh alcholo se treat krenge to ethyne mile ga
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11:39 new book ethene>ethyne>ethane
3:34:00
Sir It should be A
ReAson is that The main product when ethane reacts with chlorine is chloroethane but other products are also obtained in small quantities. The formation of these other products reduces the yield of chloroethane. This is an example of substitution reaction because one of the hydrogen in ethane is replaced by an atom of chlorine
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2:08:38 sir option C will be correct i.e. I>IV>II>III
3:13:04
A Hoga
because benzene was first isolated by faraday in 1825 (Stb lines)
Hoffman in 1845 obtained benzene from coal tar..
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2:09:01 it should be c na
1.54 >1.39>1.34>1.20
Correct 💯
1:20:14 sir it should be (A). benzene sulphonic acid (formation of arenium ion) actually forms afterwards attack of electrophile which is so3.
Sir order of bond length of ethane , ethene, ethyne and benzene is ethane > benzene> ethene > ethyne ...
Yes sir did a mistake there
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Sir you are so nice and your teaching method is also best Love from Lahore
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Always new things achieve sir nasiam zulfiqar lectures thank you sir
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3:04
answer should be propanone coz only ethne gives aldehyde while all other alkynes gives ketones
according to ptb
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30:00 sir acrylonitrile ethyne + hcn ke combination se banta hai option mein ethene hai
Same thinking that's why I come in cmnts
Exactly
Sir ripening of fruits mn ethyne gase bh to use hoti he calcium carbide ki hydrolysis p produce jo hoti h?
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2:08:57 is my c option nhi lgy ga
Kyun ky
Alkane 1.5
Benzene 1.4
Alkene 1.3
Alkyne 1.2
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apka mdcat me hua ya nhi
Sir alkyne ki hydration krny sy aldehyde and ketone milty except ethyne all ketone dea gy
Sir acrylonitrate ethyne sy reaction krny b bnta hai ethene sy to nhi bnta?
Equation me oxygen ko balance krny k lia for alkane ki combustion kry tou trick hy 😊 . ap carbon k atom ko double krdo hydrogen atom ko half krdo then jsy propane hy c3h8hy..6+4=10 divid by 2.)10/2=5 mole
1:34:21 p 2nd question agar N-propyl hota to is ka option kiya hota
1:36:28 ...
Major product pocha he B hoga
1:56:11 shouldnt answer be both b and c?
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2:09:12 it should be C
Ethane =1.54, Ethene= 1.33, Ethyne = 1.21, Benzene =1.39
is it correct sir
Thank you for igniting the spark of curiosity within us, dear chemistry teacher.” “You make learning chemistry so much fun, thank you for inspiring us every day.” “You are like a chemical reaction, mixing knowledge, passion, and guidance to create brilliant minds.” NK ......writer 🙃🙂
I saw your comments on sir Bilal channel are you from sindh?
@@kainat705 Yes
Asalam o alaikum sir
Sir reactivity order m option C Sahi Hoga na kyon k (I>Br>Cl>Fl) to AP ne a kyon kia jab k a m to bilkul he opposite h iska?
amazing mcqs for mdcat practice sir make more lectures like this
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2:19:19 5 resonant structures hote benzene kr
Sir ya mdcat ke chem ke mcqs ke Lia Kuch khas chapters hote hn ? ke unko achi terha sa read Kerlo to kafi portion chem Ka easily ho jae ya Saab chapters ma sa equally mcqs ate
11:46 reactivity order aesa hota hi ethene》ethyne》ethane
haan yaar wahi ke bhi confused higyi book me aisa order dia h
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Thank you so much sir..❤
Hydrocarbon chapter ki buhat zaroorat thi
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3:34:00 sir isme A b hoskta h Alkane
sir acrylonitrile tho alkyne se produce hota ptb main likha hua ha
Sir acetonitrile is produced by reaction of ethyne with HCN sir iska formula BHI CH2=CH_CN ha
Hmm
Sir plz confirm kr dn k MCAT 2023 reconduct hoga ya nhi
Excillent👍
Sir boht bara lecture bana dia hai 😅❤
DEAR SIR , English and Logical reasoning ka bi lectures upload kari na
sir wouldnt acetone be formed at 3:03:47??
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JazakAllah srr
Board sai dekhne mei nhe ata or be videos hai jas mei shadow show ho rha hae 🙏
MashAllah sir
sir plz upload mcqs lectures of xii chemistry as soon as possible!
45:28 sir sulphonation m hamare book m to concentrate H2So4 likha huwa h
Hmm I think both fuming sulfuric. And conc: sulfuric acid both hoga
2:8:46 its c
1:31:48 C hoga bcz step 3 ma ethene ki chlorination ki ha to product dutch liquid mila or phr dutch liquid ka koh alcholo se treat krenge to ethyne mile ga
functional group isomer nhi hoga ethanol and ethanal ..aldehyde and ketone hoge ether and alcohol hoge ..us according d hona chaye
sir acrylonitrile ethyne ka reaction hai
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Electropholies in sulphonation me sir SO3 hoga
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Sir g ye video kpk board walo kelyie be helpful hai ya nahi
Sir baki chap kay bhi mcqs karwaden
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Sir jaldi jaldi saare mcqs videos upload kardein please sir
Sir what are your charges of MDCAT for 2024 ?
cause i want to enroll my sister in new batch
35000 lumpsum
@@SirNasimZulfiqaritni ziyada fees 😢 sir .
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Sir aap great hain
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Sir benzene addition reaction ni deta due to resonance is that right?
High temp r pressure p deta h
sir regular base pe lectures upload kren time thora bacha h
Sir pls upload carboxylic acid mcqs
uploaded
Thanks sir
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Sir plzz ap 1st year chemistry ka ek fast revision lec de dy plzz sir
3:10:57 Sir is me B hoga
1:30:38 sir option D hoga na😊
yes i think option d is correct
B is crrct
Yeah d hoga
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1:30:47 sir both b and c hoga
Ha sir ne confused kr diya he
reactivity order of hydrocarbon is wrong
Sir iss lecture ma aapne students ko khare khare suna din :]
Sir please mcqs pdf share keren
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Benzene has two resonating structures
Sir Baki chapter 9 ke mcqs karado 😢
tonight
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sir! ek request hai aap apni chemistry ki knowledge 12 din ky liye mujhe dyden🙃 please 😊
thankyou
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sir plz improve your video quality
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Sir acetonitrile is produced by reaction of ethyne with HCN sir iska formula BHI CH2=CH_CN ha
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