4 Lets say your solventis water which of the following "solutes" would likely form a solution...
Which of the following solutes, dissolved in 1000 g of water, would provide a solution with the lowest freezing point? 0.045 mol of barium chloride, MgCl2 0.045 mol of ammonium nitrate, NH Br 0.045 mol of acetic acid, CH3COOH 0.045 mol of urea, CO(CH3)2 0.045 mol of calcium sulfate, BaSO4
4. Which of the following carbocations would be likely to undergo rearrangement? A) CH3-CH-CH-CH3 CH3 CH3 B) CH3-CH-?_CH3 CH3 CH3 C) CH3-C-CH2-CH3 D) More than one of the above E) All of the above t he dehydrated to an al
6. Which of the following carbocations would NOT be likely to undergo rearrangement? A) CH3CHCHCH3 CH3 CH3 B) CH3CHOCH3 CH3 CH C) CH3CCH2 CH3 D) CH3 CH3CHCH2 E) CH3 CH3CCHCH2CH3 CH3 7. Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4? A) CH3 CH3CCH2 CH3 он CH3 B) CH3CHCHCH3 он CH3 C) CH3CHCH2CH2OH CH3 D) HOCH2 CHCH2CH3 E) CH2 OH CH3CHCH2CH3 Page 4
please answer all the questions
6) What is the name given to an arrangement in which every other layer is identical (ABABABAB)? a) octahedral holes b) tetrahedral holes c) hexagonal close packed d) cubic close packing e) cubic face centered 7) Name the three types of holes for the cubic closest packed structure. 8) Complete the following table: Sample Type (ionic, molecular, metallic, network covalent) Intermolecular forces CsCl CHA C (graphite) Mg CHCI NH, Chemistry 121 Worksheet 7 9) Predict...
vmerize to form very large molecules by itself? 21. Which compound is MOST LIKELY to be able to polymerize OH A. CH3-C B. CH2=CHCI C. CH3—0-CH3 E. C2H5NH2 D. CH 3 CH 2 OH
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive in a unimolecular reaction? a) C&H, CH, CH, CH, BY b) CH 1 CH CH Br C) CH11CCH, Br d) C6H CH2 CH CHỊ CHỊ CH3 CHỊ e) C&H, CCH Br CHE (4) 2. What would you expect to be the chief organic product(s) when tert-butyl bromide reacts with sodium acetylide, i.e., CH3 + - CH2-C-Br + Na :CECH — ? CH a) I...
H2SO4 e. (CH3)3CBr + H20 → 4. In the following pair indicate which would be the most stable intermediate in a reaction and briefly explain your answer. [4 marks] CH3 CH3 CH CH3 Cc Home CH2 CHE H2C CH CH2 H3C a. CH - H₃C CH₂ H₃C CH₂ 5. Briefly explain the difference between substitution mechanisms SN, and SN2 and elimination mechanisms E, and E. [4 marks)
1)
2)
Name each of the following aldehydes and ketones.
3)
4)
A carboxylic acid reacts an alcohol to form ________.
an ether
an amine
an anhydride
an ester
an amide
5)
A carboxylic acid reacts with itself to form ________.
an amine
an ether
an anhydride
an ester
an amide
6)
7)
8)
Give the organic product for the following reaction.
CH3CH2COOH + CH3CH2CH2NH2 ?
CH3CH2CH2CONHCH2CH3
CH3CH2NHCH2CH2CH3
CH3CH2N(CH2CH2CH3)2
CH3CH2CON(CH2CH2CH3)2
CH3CH2CONHCH2CH2CH3
Determine the products of the following reaction: CH H2S04...
Which of the following pairs are more likely to form a solution? Lewis structures might help. (1) methanol and hexane (2) water and octane (3) water and octyl alcohol (4) acetone and octane (5) chloroform and acetone
QUESTION 30 Which of the following would have the fastest rate of reaction to form 4-tert-butylcyclohexene? KOC(CH3)3 A) (CH3), H KOC(CH) B) (CH), KOC(CH)3 C) (CH3)C . KOC(CH): D) (CH3)C.