(Solved):   6) The observation during Baeyer test, which is used to distinguished between alkanes and ...

 

6) The observation during Baeyer test, which is used to distinguished between alkanes and alkenes is: a. The color change in alkanes from purple to colorless b. The color change in alkenes from purple to colorless c. The color does not change in alkenes d. The color change in alkane from brown to colorless 7) The purpose of trap which is used in nucleophilic substitution experiment is: a. To remove toxic acid b. To decrease the pressure in round bottom flask c. To prevent bumping d. To make separation of alkyl halide easy 8) Which of the following is used to distinguish between aldehyde and ketone? a. 2, 4- dinitrophenyl hydrazine test b. Iodoform test c. Tollen's test d. Bromine test 9) Which of the following is used to distinguish between methyl alcohol from other alcohols? a. Tollen's test b. Lucas test c. Iodoform test d. Fehling test Q2) Fill in the blanks 1. Insoluble impurities in crystallization experiment can remove by filtration 2. The temperature at which the liquid converts to solid is 3. Fractional distillation is than simple distillation 4. Large distribution coefficient (KD) means that compound soluble in phase than in 5. To visualize colorless spots in TLC plate we use and 6. Larger spots in TLC result in of close spots 7. What are the names of the following apparatus? (more, less, equal) efficient ich more phase.