Questions asked
Anand Jangid
Numerade educator
80. At which region can be found the peaks due to N-H, C-H and O-H stretching and bendingmotions? A. 2500 to 2000 cm-1 B. 1500 to 1000 cm-1 C. 4000 to 2500 cm-1 D.2000 to 1500 cm-1 81. Hazardous wastes by definition may be all of the following EXCEPT A. Explosive B. Toxic C. Corrosive D. Reactive 82. Which treatment of wastes can be done in situ? A. Air stripping B. Chemical degradation C. All of the given answers D. Biodegradation
77. Which of the following is NOT a characteristic of chromophores? A. May contain extensive conjugated double bonds B. Contains unsaturated functional group C. Added to ions that do not strongly absorb light in the UV-visible region D. Absorbs strongly at 800 nm 78. Which of the following is an application of molecular spectroscopy? A. All of the given answers B. Basis of understanding of colors C. Structural investigation D. Study of energetically excited reaction products 79. A compound with a formula of C7H14O exhibits an IR peak at 1715 cm-1.The compound maybe a/an A. ketone B. ether C. ester D. Alcohol
Ankur S
76. Which of the following is an application of electronlc spectroscopy? A. Sudy of kinetics of chemical reaction B. Control of purification C. All of the given answers D. Detection of impurities
Supratim Pal
74. Alcohol and ether are often used as solvents. What is the disadvantage of using these compounds to dissolve analytes for spectroscopic analysis in the UV-visible region? A. They react with the analyte given the energy at this region. B. There solvents prevent the analyte from absorbing light. C. They also absorb light at the UV-visible region. D. They interfere in the transition of the electrons of the analyte.
Oluwapelumi Kolawole
List the functional groups such as Carboxylic acids, Amides, Amine, Alcohol, Aldehyde, Ketone, Ester, Alkane, Alkene , Ether, Ester , Alkyl Halide in decreasing strength of intermolecular forces?
Jenny Wu
List the functional groups such as Carboxylic acids, Amides, Amine, Alcohol, Aldehyde, Ketone, Ester, Alkane, Alkene , Ester in decreasing solubility?
Shalini Tyagi
between aldehyde and ketone who have the more stronger intermolecular forces
between aldehyde and ketone whose the most soluble?
Benjamin Densmore
compounds with electron withdrawing groups tend to have longer wavelength
David Collins
75. Which of the following compounds would show the longest wavelength max in its UV spectrum? A. I B. III C. II D. IV