Organic Chemistry Questions

Which of the following is a precipitation reaction A NaCl aq Lil aq Nal aq LiCl aq OB HCl aq KOH aq KCl aq H O 1 OC Zn s 2 AgNO3 aq 2 Ag s Zn NO3 2 aq D 2 Lil aq Hg NO3 2 aq Hg2l2 s 2 LINO3 aq

How many grams of AgNO3 are needed to make 250 0 mL of a solution that is 0 135 M A 5 73 g OB 0 0917 g OC 0 174 g OD 91 7 g

How many electrons does the p subshell contain Question 60

Determine the formal charge on each atom as indicated for the structure below 1 1 11 0 III 1 1 1 1 1 III 0 1 0 1 III 1 O1 1 11 0 III 1 1 0 III 1 H H C S C N H

Which one of the following is the correct bond angle between atoms adopting a trigonal planar geometry A 120 B 180 C 109 5 OD 90 B

If you have 16 2 mol copper I oxalate what mass of copper I ions is in the sample

For the structure shown in the box below identify corresponding correct resonance structures I and II II and III III and IV I and III Iland Y 11

The activation barrier for a reaction is 106 kJ mol If an enzyme increases the rate of the reaction by a factor of 107 at 310 K what is the activation barrier kJ mol for the catalyzed reaction Enter your answer as an integer

efine the technical term specific heat

What is the organic product of this reaction CH OH H H CRO4 excess

alculate the quantity of heat absorbed by 30 0 g of water when its temperature is raised to 67 9 C om 24 3 C

A molecule has a central atom surrounded by 2 lone pairs and 3 atoms The best description for the shape of the molecule is OA see saw OB T shaped C trigonal bipyramidal OD trigonal planar

The molar mass of S F10 is OA 358 60 g mol B 254 10 g mol OC 127 05 g mol OD 222 04 g mol

What is the correct IUPAC name for the following molecule Br CI 2 bromo 5 chloro 4 methyl hexane 5 bromo 2 chloro 3 methyl hexane O 2 chloro 3 methyl 5 bromo hexane 2 bromo 4 methyl 5 chloro hexane

A beautiful blue copper compound dissolves completely in water Which statement is correct OA The copper compound is the solute and the water is the solvent The solution is homogeneous B The copper compound is the solvent and the water is the solute The solution is homogeneous C The copper compound is the solvent and the water is the solute The solution is heterogeneous D The copper compound is the solute and the water is the solvent The solution is heterogeneous

The original method of making ammonia was to react calcium cyanamide with water according to the following reaction CaCN s H O l CaCO3 s NH3 g Which of the following is the most correct set of stoichiometric coefficients to balance this equation OA 1 3 1 2 OB 1 1 1 1 C 2 6 2 4 OD 4 2 6 2

An aqueous solution of sodium sulfate is allowed to react with an aqueous solution of lead II nitrate The net ionic equation does NOT contain which of the following species OA Na aq B SO42 aq OC Pb aq OD PbSO4 s

the reaction 3C1 g 6NaOH aq 5NaCl aq NaClO3 aq 3H O 1 how many grams of sodium chloride can be produced from 37 2 g of NaOH A 54 4 g B 45 3 g C 65 2 g D 21 2 g

Which bond is the most polar OA H C OB H Se OC H N OD H O

Draw the mechanism for the witting reaction cinnamaldehyde with BTPC to form the 1 4 diphenyl 1 3 butadiene Draw the mechanism for this reaction and upload it here

Given the equation 2 Al s 3 Br Al Bro s If you have 3 0 moles of Al A You need 3 moles of Br to react completely producing 1 mole of Al2Br6 B You need 1 5 moles of Br to react completely producing 0 5 moles of Al2Br6 C You need 4 5 moles of Br to react completely producing 1 5 moles of Al Br D You need 6 moles of Br to react completely producing 2 moles of Al2Br6

Consider the neutralization reaction between CH3COOH and Sr OH Complete and balance the neutralization reaction name the products and write the net ionic equation Complete and balance the reaction x x He aq CH COOH aq Sr OH aq CH COO Sr aq 2H O 1

You have purchased a piece of highly pure iron foil for 55 00 The foil is 50 0 mm square and 1 00 mm thick What is the cost per gram of foil Density of iron 7 874 g cm OA 2 79 gram B 0 280 gram C 5 50 gram OD 0 360 gram

Pick the antiaromatic molecule Select Number of pi electrons in A is Select Number of pi electrons in B is Select Number of pi electrons in C is Select Number of pi electrons in D is Select A B C N H D

Which of the following is most likely to form an anion A phosphorus OB tin C zinc OD lithium

If it takes 50 mL of 0 5 M Ca OH 2 to neutralize 125 mL of sulfuric acid what is the concentration of the acid A 0 5 M OB 5 M C 0 4 M OD 0 2 M

entify the structure that shows the correct placement of all lone pairs for the compound illustrated in the box below 01 H3N O H H3N 11 H H3N OH H3N 0 H H3N i H IV H N O H V

For full credit write complete sentences to explain your answers Which of the following processes requires more heat energy a raising the temperature of 100 g of water by 10 0 C 5 raising the temperature of 100 g of water by 50 0 C

What happens to the hydrogen ion H concentration as an aqueous solution becomes mor acidic 15 a Remains the same b Increases c Decreases d Cannot be determined

9 Draw a complete curved arrow mechanism and predict the product Note that HBr won t add across the bonds in the ring like it would for a regular alkene for reasons we will get to in class soon HBr

Choose the correct IUPAC name for the following compound mosha 3 4 dimethyl 7 nonene 6 7 dimethyl 2 nonene 6 7 diethyl nonene 6 7 dimethyl 2 nonane

Explain why the temperature change for gold is so different from the temperature change of water

Complete the table by providing the missing components either chemical formula or systematic name not common name Chemical Formula NH4 3PO4 HMnO4 aq P2S5 NiCl3 Ba3P2 Systematic Name Ammonium phosphate Sulfur monochloride Ammonium sulfide Permanganaic Acid Strontium iodide Disulfur monoxide Hydrosulfuric acid Sulfurous acid Boron trichloride

9 Vinegar has a pH around 5 Stomach acid has a pH around 2 How does the H in t stomach acid compare to that of vinegar a 1000 times lower b 1000 times higher c 3 times lower d 3 times higher

One mole of A Na3PO4 B Al2 SO4 3 OC S8 OD C10H8 contains the largest number of atoms

reaction consumes 5 0 g of A and 6 0 g of B How many grams of C and D should be obtained Multiple Choice O C Not enough information is given to answer this question 10 23 1A 3B2C 4D

The above molecule can be classified as O Aromatic O Antiaromatic Nonaromatic

Determine the oxidation state of P in PO3 A 3 OB O OC 2 OD 3

Which of the following best describes the variation of electronegativity with respect to an element s position on the periodic table A Decreases across a period increases down a group B Decreases across a period decreases down a group C Increases across a period decreases down a group D Increases across a period increases down a group

NI their meanings below The cashier was driving her boss up the wall with her constant lateness and unprofessionalism The boss knew that cashiers were a dime a dozen so he immediately fired her IDIOM 1 Type here

OA rubidium sulfur OB rubidium sulfide OC rubidium disulfide OD rubidium II sulfide

For the following compound identify the indicated lone pairs as localized or delocalized H H 1 both localized II both localized 1 both localized II one localized and one delocalized I one localized and one delocalized II both localized 1 one localized and one delocalized II one localized and one delocalized 1 both delocalized II both delocalized

Scarlet Letter and answer the question These words are spoken by Hester to Dimmesdale when the townspeople wanted to separate Hester and her child Speak thou for mel cried she Thou wast my pastor and hadst charge of my soul and knowest me better than these men can I will not lose the child Speak to me Thou knowest for thou hast sympathies which these men lack thou knowest what is in my heart and what are a mother s rights and how much the stronger they are when that mother has but her child and the scarlet letter Look thou to it I will not lose the child Look to it Which among the following lines phrase that Hester speaks to convey a subtle message to Dimmesdale Speak thou for me cried she Thou knowest for thou hast sympathles which these men lack

Identify the indicated functional groups in the following compound 1 alcohol II amine III thiol 1 ester II ketone III thiol 1 alcohol II amide III sulfide 1 ether II amide III thiol 1 alcohol II aldehyde III sulfide HO

The central iodine atom in the ICl4 ion has nonbonded electron pairs and bonded electron pairs in its valence shell OA 4 2 OB 0 4 O93 1 OD 2 4

What health and safety hazards are associated with waste generated by electroplating companies What is being done to reduce the impact that waste is having on the environment and human health What are some of the toxic substances that can escape from electronic waste on the the environment What are the potential effects of these chemicals on your health Important Your grade is linked to both parts of the assignment Wait for feedback from your teacher on the components of Part I before working on and completing your research paper Part II Writing Your Research Paper 1 Write your research paper incorporating the feedback and direction from your teacher Your research paper should have an introduction body and conclusion Typically you would have one paragraph for each of your introduction and conclusion The body of your research paper can have multiple paragraphs The focus of the body of your paper should be the three main points you submitted to your your teacher in Part I 2 Include any relevant data you obtained from your research to support your main ideas Ensure your data is obtained from acredible source 3 Use in text citations to reference any information you wish to present that is not your own original idea such as data and theories opinions of others 4 Submit a reference list that includes all the sources you used in your research paper Ensure that both your in text citations and reference list are completed according to APA style

Identify bond line structures for constitutional isomers with a molecular formula of C4H10O I and II II and III III and IV IV and V II and IV H 1 OH III OH OH IV V OH

on Posttest Points 2 Question 3 Why do you think Hester refused to name her lover and his identity when asked by the Puritan society Hester does not want her society to know about her personal life Hester has multiple affairs and therefore she does not want to reveal all the information to the society which will create a problem for everybody Hester is aware that if her secrets are revealed the punishment that Dimmesdale would undergo will be far worse than hers Hester is aware that Dimmesdale and his family will not like her reveal their secret life and therefore Hester remains silent 0

A compound is 78 90 carbon 10 59 hydrogen and 10 51 oxygen The molar mass is 456 71 g mol What is the molecular formula of the compound A C 0H56010 B C10H160 C C7H110 D C30H4803

B C C D A B C Only A Predict all the possible organic products of the following reaction A CH OH H SO4 B D