In a given compounds dissolved based on bonding nature if it is polar or non polar molecules
Question 14 Which of the following compounds will dissolve in a non-polar solvent MgCl2, CH3OH, CH4,...
II. Water is a polar solvent; CCI4 (Carbon tetrachloride) is a non-polar solvent. In which solvent will the following substances be soluble? Explains briefly. (8 points) a) LINO3 b) gasoline c)C6H6 d) Na2S04
Which of the following compounds will only have London dispersion intermolecular attractions? {Hint: look for non-polar molecules). O CO2 O CH3F O CH3OH O OCI2 O Naci QUESTION 4 What is the strongest (most attractive) intermolecular force in CH3F? O hydrogen bonding O London dispersion forces O ion-dipole attraction O jonic bonding O dipole-dipole attraction
Organic compounds are always polar and dissolve in water True False Question 2 1 pts Inorganic salts are usually polar and soluble in water O True False Question 3 1 pts What kind of bonds do we usually find in organic hydrocarbons? non polar covalent bonds polar covalent bonds polar ionic bonds coordinated bonds
SOLUTIONS 22. Non-polar compounds are soluble in ionic compounds b) electrolytes c) polar solvents d) non-polar solvents 23. Which of the following would increase the solubility of gaseous O2 in water? (there is more than correct answer, mark them all!) Decreasing the temperature of the solution Increasing the temperature of the solution Decreasing the pressure of the solution Increasing the pressure of the solution 24. Which of the following describes an unsaturated solution? A solution that has less than the...
6&7 QUESTION 6 Which of the following solutes would be most soluble in the solvent Benzene (CH)? A. Naci B. H20 Ос. CH3OH D. CH3CH2CH2CH3 QUESTION 7 You have a container with a semipermeable membrane separating compartments A and B. Compartment A has 0.5M MgCl2 and Compartment B has 0.6M KI. Which direction will the water flow? A. Toward A B. Down C. Up D. Toward B
Olaizea 12 Which of the following compounds is Only nonpolar? A NH3 B CHA C CH3OH The particles of a liquid......... D THO 13
Question 37 (4 points) Which one of the following compounds is non-aromatic? Note: lone pairs are not shown. s NH o N
42) Which of the following compounds will be affected by the presence of an electric field AH2 B) 02 C) HCI D) N2 43) In which of the three phases of matter would you expect hydrogen bonding between watet molecules to be the strongest? (A) solid phase (H20 Os very close together) B) liquid phase (H20 Os more separated than solid phase) C) gas phase (H20 Os much farther apart than liquid phase) D) It is equally strong in all...
D Question 14 3.5 ts What is the line of solvent that moves up the TLC plate referred to as? O Solvent front O Capillary front Resolving factor Chromatographic boundary Question 15 3.5 pts Most organic compouds are colorless or white. A UV lamp assists in seeing your separation on TLC plates by: Making the organic sample spots glow and leaving the stationary phase dark Making the stationary phase glow, leaving dark spots where your sample is located Showing how...
34) Which of the following choices has the compounds correctly arranged in order of increasing solubility in water? (least soluble to most soluble) A) LIF < NaNO3 < CHCI3 D Toothbroso O ns well B) CCl4 < CHCI3 < NaNO3 of CH4 < NaNO3 < CHC13 D) CH3OH < C14 < CHC13 E) CH3OH < CH4 < Lif