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ChemistryPRACTICAL ORGANIC CHEMISTRYELEMENTAL ANALYSISMedium2 minPYQ_2021
ChemistryMediumnumerical

A chloro compound "A".
(i) forms aldehydes on ozonolysis followed by the hydrolysis.
(ii) when vaporized completely1.53 gofA, gives448 mLof vapour at STP. The number of carbon atoms in a molecule of compoundAis

Answer:
3.00
Solution:

448 mL of A gives 1.53 g of A

22400 mL gives 1.53448×22400 g of A=76.5 g

CH3-CH=CH-ClO3, Zn/H2OCH3CHO (aldehyde)

CH3-CH=CH-Cl has 3 -carbon atoms and molecular mass =76.5.

Stream:JEESubject:ChemistryTopic:PRACTICAL ORGANIC CHEMISTRYSubtopic:ELEMENTAL ANALYSIS
2mℹ️ Source: PYQ_2021

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