Answer if the each of the following statements is true (T) or false (F). The nam

Question

Answer if the each of the following statements is true (T) or false (F). The name of CH_2=CHCH_2 Na is propylsodium. Ethyl bromide is more reactive than Ethyl chloride to react with Mg. Organozinc reagent, ICH_2 ZnI is a useful reagent to prepare cyclopentane Compounds from alkenes and CH_2I_2. Organocopper reagents are unique reagents to form alkanes. Platinum-catalyzed cross- coupling reactions to form biphenyls are known separately as the Stille, Negishi, Suzuki and Heck couplings. The difference in energy Delta E of two nuclear spin states is inversely proportional to the strength of the applied magnetic field. In NMR, the dependence of the resonance position of a nucleus that results from molecular environment is called chemical shift. In NMR, an external magnetic field affects the motion of the electrons in a molecule and the induced magnetic field of the electrons in the carbon-hydrogen bond reinforces the external magnetic field. Infrared spectroscopy is a useful tool to determine presence of some of unique functional groups in a molecule. From a biochemical perspective, the most important oxidation is the conversion of thiols to sulfoxides.

Explanation / Answer

True/False statement

1. The name of CH2=CH-CH2Na is propyl sodium : False [its an allylic system not saturated compound]

2. Ethyl bromide is more reactive than ethyl chloride to react with magnesium : True [Bromo is a better leaving group than Chloride]

3. Organozinc compound, ICH2ZnI are usedful reagents to prepare cyclopentane compounds from alkene and CH2I2 : False [forms cyclopropyl instead]

4. Organocopper reagents are unique reagents to form alkanes : False [forms ketone specifically]

5. Platinum catalyzed cross-coupling reactions to form biphenyls are known separately as the stille, negishi, suzuki and heck coupling : True [Pd is used as catalyst for all]

6. The difference in energy dE of two nuclear spin states is inversely proportional to the strength of the applied magnetic field : True

7. In NMR, the dependence of the resonance position, of a nucleus that results from molecular environment is called the chemical shift : True

8. In NMR, the external magnetic field affects the motion of the electrons in a molecule and the induced magnetic field of the electrons in the carbon-hydrogen bond reinforces the external magnetic field : True

9. Infrared spectroscopy is a useful tool to determine prescence of some of unique fucntional groups in a molecule : True [Functional group stretching specific for specific groups]

10. From a biochemical perspective, the most important oxidation is the conversion of thiols to sulfoxides : True

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.