4-tert-butylcyclohexanol 1,32 156.27 8.45.10 Which is the limiting reagent? Calculate the % yield of 4-tert-butylcyclohexanol (show working and note significant figures).
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- 5. Consider the synthesis of 2-butanone from butyne: Hg2+ || CH3CH,-C=C–H CH;CH,-Ĉ-CH3 H3o* (iv) Name the class of compound D belongs to. (v) Comment on the stability of compound D compared to 3-butanone.(X) (excess) Benzene forms a monosubstituted product with (X) irrespective of it's quantity. So(X) is 1. CH2 = CH/HE 2. CH;CI/Anhy. AICI3 3. CH,ОН/BF3 4. CH;COCI/Anhy.AICI3 3 1(b) Predict the suitable solvent (H2O or CH3COCH:) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr (ii) H,C- CH3
- Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(CzHs)3). 3SnCl4 + 4Al(C2H5)3 → 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d= 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?4G 4G illl 1:54 PM 43 ... 2. Name the following compounds: (c) CH3 CH3CHNH2 (a) (b) CH3CH2NHCH,CH3 N-CH3 (d) CH2CH3 (e) H CH3 H2NCH2CH2CHNH26. Which reaction releases more energy? A or B: A. The reaction from Question 1 (no fuel) B. The reaction from Question 5 (with fuel) 7. Is the release of energy endothermic or exothermic? A or B: A. Endothermic B. Exothermic B. How does this reaction cause so much devastation? For context, we're going to do a thought experiment. Imagine a 1 cm3 block of ammonium nitrate. Ammonium nitrate has a density of 1.73 g/cm³. 8. How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely according to the chemical equation in question 5? Answer: 9. An average August day in Beirut is 92 °F. You will learn a lot more about gases and what affects their volume in Chapter 9, but for now, assume that 1 mol of any gas at 92 °F takes up 25.1 L of space. How many liters of gas would be produced? Answer:
- 10:29 0. O ? 86% AIATS For Two Year Medic. A 61 /180 (02:55 hr min Mark for Review When 2-Methylpropene undergoes oxidation in the presence of acidic K2Cr2O7, the products obtained are CH3 – CH + CO2 CH3 — СH — С—ОН-СО, CH, -C =0+CO2 +H2O CH3 CH; – CH2 – CH + CO2 + H20 Clear Response IIIOrganotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides.One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(C2H5)3). 3SnCl4 + 4Al(C2H5)3 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.230 L of SnCl4 (d = 2.226 g/mL) was treated with 0.396 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). If 0.335 L of tetraethylstannane (d = 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?CH3 CH:CONA (7a) (7b)_. + NaCI CH3 (8) H2O CH3CO CH3 7. 8.
- [1] LIAIH4 [2] H2O [1] [2] H2O `Mg H2 Pd-C [1] LDA, THF,-78°C [2]Based on the reaction scheme below, deduce and name structures A, B and C. H, Pd A KMno, B (C,H) (CH12) OH (C,H,0,) (1) O2 (2) Zn/H,0 H3C CH3 propan-2-one |A medicinal chemist at Orgalex Labs, a little known division of a big international pharmaceutical firm, has predicted the major product of the following reacti an early step in the synthesis of Compound R40 (rumored to be a cure for rhinitis, spontaneous combustion, and bad luck): or=0x0 HBr OH As Vice-President of Research, it's your job to decide whether the chemist has made a reasonable prediction. • If your answer is yes, these could be the major products of the reaction, draw the complete mechanism for the reaction below. • If your answer is no, check the box under the drawing area. Ö U OH Br H-Br Add/Remove step Click and drag to start drawing a structure.