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Identification of a molecule buy fragmentation pattern and reduction of carbon number in a molecule
Boss 👍
Federal Board Chemistry 2nd Year (New Book) ke liye “Identification of a Molecule by Fragmentation Pattern” ka ready-to-use description aur tags neeche de raha hoon. Ye lecture / notes / YouTube description – sab ke liye suitable hai.


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Identification of a Molecule by Fragmentation Pattern

Description

In mass spectrometry, a molecule is identified by studying its fragmentation pattern. When a compound is bombarded with high-energy electrons, it loses an electron and forms a molecular ion (M⁺). This unstable ion further breaks into smaller charged fragments.

Each fragment appears as a peak at a specific m/z value in the mass spectrum.
The highest m/z peak corresponds to the molecular ion, which gives information about the molecular mass of the compound.
The base peak (most intense peak) represents the most stable fragment.

By analyzing:

Molecular ion peak

Fragment ion peaks

m/z values

Relative intensities


we can determine the structure, molecular formula, and identity of an unknown organic compound.
Thus, the fragmentation pattern acts like a fingerprint for molecular identification.


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Key Points (Board Friendly)

Molecular ion (M⁺) → molecular mass

Fragment ions → structure information

Base peak → most stable fragment

Each compound has a unique fragmentation pattern



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Tags (YouTube / Notes)

#MassSpectrometry
#FragmentationPattern
#IdentificationOfMolecule
#FederalBoardChemistry
#Chemistry2ndYear
#OrganicChemistry
#MassSpectrum
#MolecularIon
#FragmentIons
#BoardExamPreparation
#ChemJourney


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Agar chaho to main:

Is topic ka short board-lecture

Numerical + solved example

Graph explain karne ka script (m/z vs intensity)


bhi bana deta hoon 🎯