JEE MAINS ALL PREVIOUS YEAR QUESTIONS : THERMODYNAMICS THERMOCHEMISTRY (FROM 2018 TO 2024)
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- เผยแพร่เมื่อ 7 ก.พ. 2025
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JEE MAINS all PYQ : ALKYL HALIDE - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : P BLOCK (GP 15-18) - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : HYDROCARBONS - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : MOLE CONCEPT - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : BIOMOLECULES - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : PERIODIC PROPERTIES - • JEE MAINS All previous...
JEE MAINS all PYQ : CHEMICAL BONDING - • JEE MAINS All previous...
JEE MAINS all PYQ : ATOMIC STRUCTURE - • JEE MAINS All previous...
JEE MAINS all PYQ : REDOX, TITRATION AND EQUIVALENT- • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : CHEMICAL AND IONIC EQULIBRIUM - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : THERMODYNAMICS - • JEE MAINS ALL PREVIOUS...
JEE MAINS all PYQ : GENERAL ORGANIC CHEM AND ISOMERISM - • JEE MAINS ALL PREVIOUS...
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JEE MAINS all PYQ : AMINES - • JEE MAINS ALL PREVIOUS...
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JEE MAINS all PYQ : ELECTROCHEMISTRY - • JEE MAINS ALL PREVIOUS...
JEE ADVANCED 2022 FULL SOLUTION P-1 : • IIT JEE ADVANCED 2022 ...
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IIT JEE PREVIOUS YEAR QUESTIONS
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JEE ADVANCED PREVIOUS YEAR QUESTIONS
CHEMSHIKSHA
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#chemshiksha #jeemains2024 #JEE2024 #AIPMT2021 #IIT JEE QUESTION PAPER #IIT JEE 2021 SOLUTION #JEEMain2021 #JEEmains2021 #advance_2021 #howtocrackJEE2021
thank you sir this content is must required for 99%ile
For revision
11:34 ( DeltaH = DeltaU - DeltaNGRT)
14:10 ( Work done)
23:11 ( Adiabatic irreversible)
27:00 ( enthalpy of combustion)
31:30 ( enthalpy of neutralization)
35:45 ( revise)
39:10 ( Irreversible Isothermal)
41:15 ( Bund Energy/Enthalpy)
50:20 ( Delta G / K equilibrium)
@@anish.ee0 wtf is bund energy 😒
@Yashir-i5x ikyk 🌚
Underrated comment 😂
From 1:09:16
& Done Q till 2:07:45
10:56 ,23:14,1:09:10,1:17:53,1:23:37 ,1:26:22 ,2:10:36 ,2:13:36 ,2:21:28,2:28:28 ,2:34:19 (🌟),3:10:35,3:17:30,3:27:16(born hyb),3:27:16 , after 1st attempt:4:16:44
3:08:46 8mportant unit conversion2
3:01:57 chupakar diya hei const pressure isliye heat capacity vi Cp use hogi:10:37 important question1:51:33 anoth1:25:42 bomb calorimeter 57:09 must check unit conversions
26:03 manipulative skills
34:43 good question on theory
1:01:04 good question of inter relation
1:05:35 another illustration on unit conversions
1:08:21 good question
1:14:34 must chekck this theory question
1:18:02 unique questions
1:34:11 good theory base graph analysis question
1:20:11 great analysis 1:22:45 endothermic ren
1:36:14 heat of combustion is per mole 1:49:39 must check this question 1:57:52 2:13:13 important concept of heat capacity of bomb calorimeter 2:20:55 Important question 2:23:50 important theory question 2:25:06 important theory question 2:30:20 on 2:30:20 unique question 2:35:56 gret point to be noted 2:52:59 2:56:45 important theory question
3:16:58
1:09:10 - Bond energy
1:20:55 - the lower molecules reduce the above molecules
26:30 - irreversible adiabatic
1:58:25. - Convert unit from bar to atm
2:13:39 - bomb calorimeter
2:22:09 - bomb calorimeter
12:56
26:08
29:33
42:08
1:17:55
1:36:56
1:45:05
1:53:53
2:02:41 -enthaply of combustion
2:09:46
2:34:06
3:13:39
3:26:57
3:28:14
Solve again also starting 5 then, 2:18:55 , assertion 2:24:07 , 2:26:21 , 2:31:01 , 2:39:45 , 2:45:17 , 2:56:02 , 2:59:45 (2022)
1:06:50 2023
2:00:34 2022
3:03:32 2021
3:51:08 2020
25:17 final temperature in adiabatic process
35:14 solving me error kar diya tha
1:11:01 calculation
1:22:35 theory
1:33:53 multi statement graphical
1:38:43 hess law
1:50:17 dhassu sawaal
1:54:19 graph questions
2:01:35
2:12:21 bomb calorimeter
2:18:48 bomb calorimeter
1:09:04 please check calculation , i think the correct answer is 400
Yes
Yup
Mai bhi yehi confuss tha
@niteshbinyala ques mein delta H formation diya hai ... formation 1 mole ka hota hai but reaction mein 2 AB form ho rhe hai ...means 200 ka half 100 hoga delta H formation...frr ans 400 aega otherwise 200 lekr 800 aega ...
👍@@LoveleenSaini-pi6hz
1:22:23 good 4:13
10:27
26:21 good
29:27
32:17 fact based
37:58
38:50 imp.
41:10
47:30
57:03 unit conversion**
59:23 theory
1:25:00 very good
1:36:04
1:46:57
1:55:49 good question
2:35
25:28
28:30
29:49
31:43 F
41:50 abt BE rip
44:39
57:44 new method
1:00:00 *e
1:07:00 *e
1:11:58 heat evolved,so sign?doubt
1:18:10 new concept
1:32:54 new concept,at b slope zero ie back and front G is same ie deltaG is zero
1:35:30 *doubt*
1:42:50 *e
1:50:05 new working method
2:00:28
2:07:39
2:18:40
2:24:09
2:26:11
2:30:50 2:47:40 should revise eqlbm
2:39:30
2:45:30 new way of asking
3:01:30 dont forget abt unit🚫
3:08:00
3:15:10, 3:18:40 refer both
3:33:53 new concept(avg BE)
done till 4:09:35 2020 pyqs,rest do 4 revision 😬😮💨💪
Total pyq's till 2020=around 110++
qn 6:00,25:50,28:30,33:33,35:20,44:24,46:17,1:00:15,1:08:00 delta hf applicable for 1mole only,1:09:25,1:15:08,1:18:30,1:21:26
its my 5th chapter pyq video ...your efforts really helpful for u😍😍
3:11
5:51
19:55
27:23
31:45 learn
1:07:11
1:15:11
1:28:58
1:35:31
1:42:52
2:09:06
2:19:51
2:28:47
Loved the seesion
Completed in 1 go
Alongwith solving 🎉
Kitni der me bhai?
@erfayo 4-5 hrs
2:26:00 new to me 🎉
2:32:00 2:49:16
4:19:00
Ntm 4:37:00
4:29:00 must watch
4:32:00 must watch
4:37:00 must watch
New aproch 4:49:20
4:38:00 must
Thank you sir,I know the theory but was struggling to start the questions,this will help me build approach .❤❤😊
2:11:38 2:20:55 2:24:38 2:28:05 2:32:50 3:23:53 3:43:00
00:13:39
00:26:23
00:50:53
00:56:58
01:00:38
01:11:00
01:19:53
01:25:14
01:33:40
01:37:43 Ng galt he
01:45:34
01:54:02
02:09:44
02:12:08
02:20:40
02:25:07
02:29:06
02:34:09
02:47:21
02:50:32
03:07:33
03:09:32
03:13:25
03:17:15
03:26:06
03:36:15
03:42:11
03:46:05
03:50:16
03:54:46
03:55:18
03:59:33
04:02:42
04:14:34
04:19:06
04:29:08
04:32:47 vvg (repeat)
04:44:27
04:44:27
04:48:50
Sir aap sara formula ek jagah likh kr hamlogo ko provide kro sare subject ka alag alag like eduniti ne kiya phy ke liye please please please for mains
Very grateful to you for this. I am aneet aspirant and is practising ques of jee . ...,❤
This is peak content sir
Theory done now questions !!!!
Will get 99%ile
At 3:33:40 the ans must be 200 if -625kJ is taken
It's 230 when -635 is taken
1:53:57
1:40:31
1:46:45
1:49:27
2:49
Units Ka hamesa khayal
If pdeltaV nikalane me kasht toh use deltang RT
Hamesa rexn 3:37:24 bnake
dekho
3:42:00
3:50:14
Delta h = deltau + deltngrt
Me hamesa calculation per mole Karo Baad me according to questions in joule me Nikal lena
Hamesa Delta h solution = Delta lattice + Delta hydration
❤ 4:38:35
Hamesa delta s = q/t if t same
Otherwise use second formula
5:08 New type
7:50 Heat of solution and hydration use
25:00 adiabetic rxn
Question for revision
11:04
26:17
30:27(I'll do like this)
48:18
51:30(there is no no of mole in formule i.e n😢)
57:28
58:52
59:58(check statement c)
Sir error at 1:09:06 enthalpy of formation defined for one mole
So for two moles of ab, double value of hf in equation to -400 fir answer 800 ayega
Apke equation se 400 ans aa raha hai
correct way kya his question ka?
Answer 400 hi aayega question ka sab sahi equation bhi sahi hai bas calculation mistake hai
@SpeedKairyuudelta Hf for 2 moles of ab = -200*2=-400
Fir Iss value ko BE reactant - product ke equation mei daalo, ans 800 ayega
@@physicsisfun-l4 lekin bhai nta ne 400 diya hai
Sir please rukiyega nahi….bhale hi views kam aa rahe hain lekin jitane bhi aa rahe hain woh saare log aapke hi serious students hain sir….please aapse yehi anurodh hain meri🙏🏻🙏🏻
Good Luck
thank you so much sir ❤🙏found your channel today...really very helpful
41:00
52:50
1:05:50
1:09:25
1:12:10
1:24:25
1:32:55
1:35:10
1:42:45
1:54:25
2:00:30
2:07:50
2:24:10
3:00:05
thank you very much sir. your explanation is amazing. kaafi concepts clear hue. thank you very much
Sir please make for revision video on physical chemistry ❤❤
Self Rvn
5:09
11:05 18:37
Good luck
2:51:01, 2:31:16, 2:39:23, 3:21:41, 3:00:00, 3:05:41, 2:57:05, 3:23:09, 3:28:36, 3:43:05, 3:43:05
1:30:30 | 2:37:53 (Heat of combustion and bond enthalpy ke liye "reactant - product" karna hai)
1:35:03 | 2:13:35 (bomb calorimeter)
1:51:10
2:34:10 | 2:52:23 (mix of chemical eqm + thermochemistry)
3:05:17 (work done by system lena hai aur wo bhi -ve sign ke saath )
3:07:36 (-PΔV = -ΔngRT)
3:14:38 (500g of water kaise likha hai usme thoda doubt hai, i mean (30x18)x1g hona chaiye na, 500L to total volm of soln ka hai water ka thodi na hai)
Sir please one more pyq series on coordination compounds and p block as it contains now more weightage in mains ❤❤❤
5:00
18:05
23:05
29:00
35:16
38:10
41:25
51:51 calculation
57:00 unit coversion
1:02:00 calcul
1:13:37
1:14:59
1:18:27
1:24:23 bomb calorimeter
1:28:08 thermochemistry
1:35:18 vg
1:42:43 vg
1:44:42 g
1:51:09 vvvvg🤯🤯
1:55:58 doubt
2:08:04 2:11:05 repeated!!!
2:18:35 silly
2:19:55
2:26:20 unique!
Sir pls thoda jaldi upload kijiye because agar ek month ke approx 4 chapters complete kiye tabhi bhi kuch chapters reh jayenge
@@yuvrajjawle2247 already sir ne saare chapters karwa rakhe hai last year
Bhai tujhe itni hi Jaldi ha to sir 2019 -2022 tak ka phla sa hi dala ha wha krla 2023 2024 wala khud as a test dedena
Saare ch ke already available hai, use that.
@@thelastpersononearth9765 ha kar raha hu
Really the pyqs of 2022 are very interesting, and upon that the explanation is great. A perfect combination!!
26:27 (important adiabatic cond.)
1:18:00 (tricky enthalpy ques.)
1:21:00 (graph prob.) (NEXT BHI DEKH)
1:27:00
1:37:00
thankyou sir ..this series is helping a lot ...theory to padh rakhhhi thi bus que. practice krni thi
5:38. 3:39:26. 3:54:14. 4:22:31. 4:25:57.
24:40 29:09c 32:24 38:23 1:11:04 1:18:05 1:22:43 1:34:44 1:36:17 1:47:40 2:24:48
2:33:03 1:53:54error
2:21:55
1:22:13
2:01:58 when reactants - product
1:08:40 sir pls check it's not Delta(Hr) , given is Delta (Hf)
The best
Thank you so much sir❤🙏🏻
Aapko salute hai sir itni mehnat ke liye
38:13
1:35:12
2:30:55
2:40:42 minus sign ka dhyaan rakho !!
I think this channel is enough for my chemistry practice . thanks a lot
please sir make same series of pyq for jee advanced also
We will
You are the best sir 1:52:05 @@chemshiksha
42:38 bond energy:- delta h = h reactant -h products
46:04:= - RTlnk eq
1:04:21 w = - Pext ∆V
1:06:57 remember
32:30 ; 1:10:00 ; 1:22:00 ; 1:33:30 ; 1:36:00
thank you sir it helped me lot in question practice
Thank you sir you are goat Teacher ❤❤
1:52:58 repeat
2:33:33
2:52:39
54:21 sir isme first wali rxn ko reverse krenge na so calculation m -3(110) -822 aayenga na solve krte hua , please correct me if i am wrong
Bhai same doubt kuch clear huya
Ha@@VanshYadav-ii4nk
Jigar chahiye sir itni mehnat karne ke liye
sir please dont stop making such videos, you have less views because theyre only viewed by aspirants who wish to do well. This is major help for such students, who will always be grateful for it 🙏
thank u sir for this amazing session
THANKU VERY MUCH SIR YOUR METHOD OF EXPLAINING IS IMPRESSIVE!!👍
Thank u so much sir u are like Eduniti sir for chemistry greatest help when it come to pyqs
sir aap baht accha parhate aise hi plz series jaari rakhiye
19:00
26:07
2:28:30
2:32:00
51:00 Nishant Jindal spotted 💀
1:44:52 sir maine iss question ko born haber cycle banake kia kya wo approach sahi hai? maine reactions nhi banaye aur maine dissociation energy ko negative lia baaki dono energies ko positive
30:32 but heat of combustion me toh reactant-product ka formula lgta haina????
Formation enthalpy is given that's why p-r
@Thesky-h1v 👍🏻
Sir can you please make a video on how to approach lengthy calculations or calculations with log
Very good lecture ❤❤❤
Thank you so much sir ☺️
1:27:50 par temp ko Kelvin me convert kiya hi nhi to unit kelvin me kese aagyi
Aur saath me 1000 sec se multiply kr diye... (Mera bhi same doubt hai)
@@2069. Ya to fhir answer degree Celsius ke basis par hi Diya hoga
@@gauravnagar6913 type kr ke search kiye the ye question, teacher bol rha tha change in temp( degree Celsius ya Kelvin) me same he hoga , ab kya he bole..
@@2069.vese bhi Change in temp. To usi unit me hona chiye na Jo final aur initi temp ki unit thi
@@2069. Question me hi issue hoga
Sir please check the formula u use for finding the workone in adiabatic process at 25:30 this wrong gamma -1 forgot????
3:33:47 answer should be 200
Sir are last 5 years pyqs enough to get 99 percentile in chemistry..??
yeah
Sir waiting for solution and chemical kinetics but iske liye thanks ❤
Itna patience 🎉❤❤❤❤❤
Sir isme saare pyq covered hai ya slected hai
As i do not have any. Pyq book
Almost 99% covered hai
55:07 sir yaha compression hoga na v-p clockwise??
3:04:28 but at constant temperature change in internal energy is zero , so why there is a non zero answer
plz check the 2023 13 april ques ,the answer is not matching
Yes me got 400
Ya
Thank you sir 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻
sir P block Ka Bhot Der se wait kr raha hu!!! ❤❤❤
Love U sir
35:00 sir is ques me statement 2 me mole ki jgh equivalent ka use hota to vo jyada accurate hota na than mole to kya statment 2 ko correct bolenge ??
Ek number sir ek number
maja aa gya sir jiiiii......thanks
Thanks sir I am preparing for neet 2025 and just searching for this Chapter questions and your video arrives ❤❤
All the best
1:09:15 there is an error it should be 400
Yes,it should be 400
Sir has done mistake in writing equation of delH
1:30:45 sir isme H2 ka zero nahi ana chaiye ???
Charsparsh guru ji
Check list 1:29:00
1:09:33 start from here (for me)
Sir at 3:02:50 in this question if I use the relation Cp-Cv=R (R=8.314) to find Cv and then use delta U= nCv deltaT to find internal energy I get the answer - 183.372. Can you pls explain me where have I done the mistake??
Bhai boo cv nhi at constant pressure de rkha h boo cp hai
Error at 1:38:05 in calculation of delta ng
2:36:05 but yha 2 moles hai na toh enthaply into 2 hoga
1:05:45 jee mains 2023 starts
sir small correction at 1:08:51 the correct ans is 400
Sir iske bad goc phir kya
13:15 don't forget to convert R in kj
24:10 final pressure pext naki initial
3:17:42
Sir the acid isnt monobasic
the net eq should be 2(H+ + OH- = h2o)
thus enthalpy should be 2*57.3 ????
pls clear this doubt sir
Thank you sirrr for this amazing content
3:02:45 sir ismein nCv∆T wala formula nhi use kar sakte?