what will be hybridisation in C3H4 of the carban

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the structure will be H2–C=C=C—H2hence the hybridization of first carbon is  '''sp²''''second carbon is '''sp'''andthird carbon is '''sp²''''

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I think ur question was for c2h4 then it has 'sp2' hybridizationThere is a trick to find hybridisation only for carbon where if single bond between carbon atoms then it 'sp3',double bond 'sp2'and triple bond  'sp'If central atom is other than carbon then you have to follow a big table where hybridisation is determined using its structure

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how to know whether the hybridizationis sp,sp2or sp3?

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sp3 would be the ans kinda not sure

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Understanding Hybridization in C3H4
In the molecular formula C3H4, we are dealing with a compound that contains carbon and hydrogen. To determine the hybridization of carbon atoms in this molecule, let's analyze its structure.
Structure of C3H4
- C3H4 can be represented as allene (H2C=C=CH2) or propyne (H3C-C≡C-H).
- In both structures, carbon atoms can exhibit different hybridizations.
Hybridization of Carbons in Allenes
- For the central carbon in allene (C=C=C), the hybridization is sp.
- The terminal carbons (H2C and CH2) are sp² hybridized.
- The sp hybridization allows for the formation of two π bonds and one σ bond, creating a linear geometry around the central carbon.
Hybridization of Carbons in Propyne
- In propyne (H3C-C≡C-H), the terminal carbon (CH3) is sp³ hybridized.
- The middle carbon (C≡C) is sp hybridized.
- The sp hybridization here allows for the formation of one σ bond and two π bonds, resulting in a linear arrangement.
Conclusion
- The hybridization of carbon atoms in C3H4 varies depending on the isomer.
- Allene: Central carbon (sp), terminal carbons (sp²).
- Propyne: Terminal carbon (sp³), middle carbon (sp).
This analysis highlights the diversity of hybridization in C3H4 and its structural implications.

Answer

sp

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