c-h bond length

how is a the correct ans here?
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35 Replies
iTeachChem Helper
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Real potato
Real potato3mo ago
Because a is wornh Mean bond enthalpy ke lie 4 se divide krna pdega 4 bond break kis na Mean CH bond enthalpy will be apx 416
Varun_Arora
Varun_Arora3mo ago
💯 @Real potato
Sephrina
SephrinaOP3mo ago
b bhi to glt hai
Varun_Arora
Varun_Arora3mo ago
B me kya problem hai (Vaise reality me hai but syllabus me nahi hai vo 😭)
Real potato
Real potato3mo ago
CH4 sp3 hai Sare bond length barabar
Sephrina
SephrinaOP3mo ago
merko ashish sir ne bataua tha i remember same nhi hota
Varun_Arora
Varun_Arora3mo ago
Reality me nahi same hota….. Abhi tumhe same maan na hai Hybridisation theory pata hai na? Uske hisab se same hota hai Aage mat jaayo abhi 😭🙏
Sephrina
SephrinaOP3mo ago
lekin agar nhi hota to kyu maan lu 😭
Varun_Arora
Varun_Arora3mo ago
Yaar Maine bhi maana hua hai 😭 Next year quantum padh lunga na mai Tab samjhaunga tumhe bitha ke okay 😭
Real potato
Real potato3mo ago
Can u please explain it to me ( just curious)
Varun_Arora
Varun_Arora3mo ago
Even I don’t know buddy
Real potato
Real potato3mo ago
:Saul_Goodman:
Varun_Arora
Varun_Arora3mo ago
Never delved deep into it Actually once I questioned a teacher
Real potato
Real potato3mo ago
Then
Varun_Arora
Varun_Arora3mo ago
Ki sir aisa kaise bol diya aapne About something else Then he throws at me Methane ke chaaron bonds equivalent nahi hote 💀🙏 Now cry about it
Sephrina
SephrinaOP3mo ago
@iTeachChem sir helppp
Varun_Arora
Varun_Arora3mo ago
Victor Ochem tutor btw @Sephrina He said this to me
Real potato
Real potato3mo ago
I guess as of now we should just accept it as a fact for the sake of passing entrance exam😭
Sephrina
SephrinaOP3mo ago
no wayy 😭
Varun_Arora
Varun_Arora3mo ago
Abhi maan lo ki same hote hain yaar He does that a lot Jab vo mujhe kuch explain nahi kar paa rahe hote
Real potato
Real potato3mo ago
Yes
Varun_Arora
Varun_Arora3mo ago
‘cause it’s out of my league Tab vo kuch aisa bol dete hain Which then leaves me silent 😭🙏 Ki iske aage kya hi bolun ab
Real potato
Real potato3mo ago
:Saul_Goodman:
Sephrina
SephrinaOP3mo ago
😭
iTeachChem
iTeachChem3mo ago
a is false. this is only in CH4. b, c, d are correct. a and d cannot be correct simultaneously, logically. Right?
Sephrina
SephrinaOP3mo ago
but the bond lengths arent identical right? they differ with length and energy
Varun_Arora
Varun_Arora3mo ago
I actually checked it The thing about this is that as you successively break each C-H bond, then the bond energies differ Ofc ‘cause first you’re taking away an H from a CH4 molecule Then it’s either from CH3(-) Or CH3(.)
Sephrina
SephrinaOP3mo ago
i know this well beacuse u cant just break all the bonds at once that would need a lot of energy
Varun_Arora
Varun_Arora3mo ago
Hmm that way only
Sephrina
SephrinaOP3mo ago
to hum keh nhi sakte hi alag hoga energy?
Varun_Arora
Varun_Arora3mo ago
Vo bond same nahi raha na actually Bond pehle sp3 carbon ke saath tha Ab kisi or ke saath hai Like the carbon is no more the same Pehle jaisa tha vaisa nahi raha
Sephrina
SephrinaOP3mo ago
ok ok got it +solved @Enamine
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