QUESTION 13 1,3-cyclohexadiene is aromatic Has lower heat of hydrogenation has higher heat of hydrogenation o Good dienophile QUESTION 14 Influencing nature of the substituent in the elctrophilic substitution of benzene is due to o 1. inductive effect 2. thermodynamic effect 3. resonance effect 4. Both 1 and 3 QUESTION 15 Ethanol is converted to chloro ethane using the following reagent and mechanism 1. SOCI2 / SN2 2. HCI / SN1 3. SOCI2/ SN1 4. HCI / SN2 QUESTION 16 A good protecting group should: 1. Should react with the reagents used to carry out the desired reaction O 2. It should be difficult to remove after the reaction is finished o 3. It should be stable throughout the reaction 4. Both 1 and 2 QUESTION 17
Analyzing Infrared Spectra
The electromagnetic radiation or frequency is classified into radio-waves, micro-waves, infrared, visible, ultraviolet, X-rays and gamma rays. The infrared spectra emission refers to the portion between the visible and the microwave areas of electromagnetic spectrum. This spectral area is usually divided into three parts, near infrared (14,290 – 4000 cm-1), mid infrared (4000 – 400 cm-1), and far infrared (700 – 200 cm-1), respectively. The number set is the number of the wave (cm-1).
IR Spectrum Of Cyclohexanone
It is the analysis of the structure of cyclohexaone using IR data interpretation.
IR Spectrum Of Anisole
Interpretation of anisole using IR spectrum obtained from IR analysis.
IR Spectroscopy
Infrared (IR) or vibrational spectroscopy is a method used for analyzing the particle's vibratory transformations. This is one of the very popular spectroscopic approaches employed by inorganic as well as organic laboratories because it is helpful in evaluating and distinguishing the frameworks of the molecules. The infra-red spectroscopy process or procedure is carried out using a tool called an infrared spectrometer to obtain an infrared spectral (or spectrophotometer).
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