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Model Paper 5 — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 55 Marks
Question
1. Write all structural isomers of molecular formula $C _3 H _6 O$
2. Write resonance structures of $CH _3 COO ^{-}$and show the movement of electrons by curved arrows.
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Answer

1.
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2. First, write the structure and put unshared pairs of valence electrons on appropriate atoms. Then draw the arrows(half headed curved arrow) one at a time moving the electrons to get the other structures.
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