Category: Pharmacy Exam Questions

CONCEPTS OF ELECTRONIC STATES AND TYPE OF FLUORESCENCE

• COMCEPTS OF ELECTRONIC STATES  1. Ground state :-  It is state of electron in which lowest energy states and highest stable. 2. Excited state :- It is state of electron in which highest energy states and lowest stable. 3. […]

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c13 NMR Concept Discuss and Question Solved

¹³C NMR Although ¹²C is not observed in NMR,only ¹³C is observed in NMR. ¹³C is 1.1% present in nature. The relatively low abundance of ¹³C is over come by using single avaraging and Fourier transforms. ¹³C (267.53) has lower gyromateric ratio as compared […]

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COUPLING CONSTANT, DOUBLE RESONANCE AND APPLICATION OF NMR & MCQ

COUPLING CONSTANT :- Defination:- The distance between the center of the two peak in NMR spect is known as the COUPLING CONSTANT. It is used to differentiate two singlet, one doublet, one quartertet etc. It is denoted by “J”. Unit of […]

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Typhoid Fever: Causative agent, Symptom, Pathogenesis,Diagnostic Test & Treatment MCQ

Typhoid Fever: Causative agent, Symptom, Pathogenesis,Diagnostic Test & Treatment MCQ A.] CAUSATIVE AGENT: SALMONELLA TYPHI (CAUSE TYPHOID FEVER) SALMONELLA PARATYPHI (CAUSES PARATYPHOID FEVER) B.] STRUCTURE OF SALMONELLA: FLAGELLATED, ROD SHAPED AND GRAM NEGATIVE BACTERIA. C.] PATHOGENESIS:  a.) THE TYPHOID BACILLI ARE […]

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NMR PRINCIPAL AND INSTRUMENTATION, MCQ

NMR PRINCIPAL :- Nuclei with odd mass or odd number have only property of nuclear spin. Spin quantum number is more than 0 so compound are NMR active. Spin quantum number is denoted by “I” If the external magnetic field is […]

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