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Compound A c6 h 14 gives three different monochlorides on photochemical chlorination. one of these monochlorides is inert to E2 elimination. the other two monochlorides yiels the same alkene B C6 h12 on being heated with potassium ter-butoxide in tertbutyl alcohol. identify compound A, the three monochlorides, the alkene b. explain your reasoning
Potassium metal reacts with water to give potassium hydrozide and hydrogen gas. If 50.0 mL of hydrogen gas is produced at STP, what is the mass of potassium that reacted? 2 K9s) + 2H2O(1) -2KOH(aq) + H2(g)
Calculate the % ionization of nitrous acid (HNO2) in a solution that is 0.222M in nitrous acid and 0.278M in potassium nitrite (KNO2). Ka for nitrous acid= 4.50 times 10^-4
For H3PO3, Ka1 = 1.0x10- 2and Ka2 = 2.6x10-7. Calculate a value for the [H2PO3] in a 0.500 molar solution of H3PO3
nbsp25.0 ml of ethanol density 0.789 gml initially at 5.4degc is mixed with 34.6 ml of water density 1.0 gml
Compound X, C14H12Br2, is optically inactive. On treatment with strong base, X gives hydrocarbon Y, C14H10. Compound Y absorbs 2 equivalents of hydrogen when reduced over a palladium catalyst to give Z (C14H14)
In column chromatography portion of the Friedel-Crafts acylation of ferrocene, why is ferrocene yellow, acetylferrocene orange-red, and diacetylferrocene dark. What accounts for the color differences.
a breathing mixture used by deep-sea divers contains helium oxygen and carbon dioxide. what is the partial pressure of
15.0 moles of gas are in a 6.00 L tank at 24.1 degrees C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constantsfor methane are a = 2.300 L^2 atm/ mol^2 and b = 0.0430 L/mol
Zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following equation: Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 25 C and a pressure of 755 mm Hg
when 15.12 ml of 0.1194 M NaOH is added to 25 ml of 0.1264 M HX(an unnknown weak acid),the resulting pH is 5.9 . what is the ka of the unknown acid
What is the decay constant for iodine-131? It decays by beta emission with a half-life of 8.04 days.
A buffer solution is composed of 1.360 g of KH2PO4 and 5.677 g of Na2HPO4. What is the pH of the buffer solution?
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