Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

Let‘A’be the methyl ester of an organic monocarboxylic acid. The vapour density of‘A’is37. What is the molecular weight of the acid?

Options:

Answer:
B
Solution:

mol. wt. for ester = V.D. × 2
=74
      O       || R−CH− OCH 3 ⇒74 (mol.wt)
      O       || R−C−OH⇒74 −14
=60 (mol. wt.)

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020

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