General organic chemistry Questions and Answers

tarted May 11 at 2 09pm Quiz Instructions This assignment has 22 multiple choice questions and will automatically submit at t Question 10 An element has the following electron configuration 1s 2s 2p 3s 3p64s 3d 04p65s 4d5 What is the element s name and number of electrons O yttrium 39 electrons O iron 26 electrons technetium 43 electrons

What is the product for the lollicraing action H C H C Select Br Br FeBry H C II Br O BrH C E III H C IV

Example Balance the following redox reaction in a basic solution using the oxidation number method CH3OH MnO4 CO3 MnO4

Which element exhibits metallic bonding Br Hg

13 10 pts Show the steps necessary to make 4 methylhexanoic acid using a malonic ester synthesis

If 1 28 moles of hydrogen react how many water molecules will be produced according to the following equation 3H Fe O3 2Fe 3H O Select the correct answer below O 7 71 x 1024 O 1 28 x 1024 O7 71 x 1023 O 1 28 x 1022

Provide a product for the following reaction Select CN IV CN NO SO H HNO H SO4 CN 11 CN NO V SO H CN E III CN SO H YI NO

True False the major diastereomer produced in the reaction below is A cat Os04 TMANO 1 BuOH H O True False OH B H

3 An unknown metal with a mass of 5 23 g absorbed 47 17 J of heat energy and underwer a temperature change of 10 K What is the specific heat of the metal

A person reacts 136 98g of water with 158 74g of carbon dioxide according to the reaction below What volume in liters of oxygen gas would form if the pressure in the reaction vessel at 2atm and the temperature is 100 C Reaction 6CO2 g 6H O g C6H12O6 1 902 g

In order for a male to inherit a sex linked X linked disorder he must receive the allele from his mother only his father only both his mother and father either his mother or father

what is the multiplicity that can ve expected for the signal of the next proton Cu l es la multiplicidad que se puede esperar para la se al del siguiente prot n H3C a Doblete d b Singlete s C Cuartete q d Triplete t OH H

Calcium chloride CaCl Magnesium sulfate Mg SO Calcium Sulfate Ca SO Magnesium Chloride MgCl

Question 1 0 25 pts A person has a sample of nitrogen gas at 23 91 C and a pressure of 2 68atm If the sample has a volume of 32 45L how many particles in moles of nitrogen gas are present

Design some molecules that would act like soap but will not form insoluble salts in hard water

Consider the following electron configurations to answer the questions that follow i 15 2s2 2p 3s1 ii 1s 2s 2p 3s2 iii 1s2 2s2 2p 3s2 3p iv 152 252 2p6 352 3p4 v 152 2s2 2p 3s2 3p5 The electron configuration belonging to the atom with the highest second ionization energy is

6a Draw the structure of PC15 7a Draw the structure of Br3 8a Draw the structure of SbF5 9a Draw the structure of BC13 10 Draw the structure of CO3 6b How many single double and triple bonds are there 7b How many single double and triple bonds are there 8b How many single double and triple bonds are there 9b How many single double and triple bonds are there 10b How many single double and triple bonds are there

SO can react with OH forming HSO3 In this reaction O the OH ion acts as a Lewis base donating an electron pair to the SO2 molecule to form a coordinate covalent bond O the SO2 acts as a Lewis acid accepting a proton from the OH ion O the OH ion acts as a Br nsted base donating a proton to the SO2 molecule O the SO2 acts as a Br nsted acid accepting a proton from the OH ion the OH ion acts as a Lewis acid accepting an electron pair from the SQ molecule to form a coordinato cour

Given the following atoms and ions Xe Cs TI 3 1 Ba Te correctly list the six atoms in order of increasing size smallest to largest smallest

The four isomeric dimethylcyclopropanes are shown below Which of the selected pairs has structures that are related as enanteomers Me Me H 11 OI and III O II and IV OII and III I and IV Me Me Me Me H Mo III H H IV Me

A solution of potassium nitrate is prepared by mixing 3 50 g of KNO3 with 12 0 g of water The percent by mass of KNO3 is Click to open O 23 3 22 6 O 29 2 41 8 28 0

Which of the following structures represents bicyclo 4 2 0 octane Structure I Structure III O Structure V IV O Structure IV Structure II 111

Which of the following is a diastereomer of 2R 3R 2 3 dibromopentane O R 1 2 dibromopentane O 25 35 2 3 dibromopentane O 25 3R 2 3 dibromopentane O 2R4R 2 4 dibromopentane

Which of the following cycloalkanes can adopt a conformation that hap zero angle strain and zero torsional strain O Cyclobutane O Cyclohexane O Cyclooctane Cyclopropane

For the reaction 3B C DE 2F initial rate measurements were carried out and data for three rums are shown below Rate mol L 1 Experiment B 1 0 100 rate k B C rate k B C O rate k B C O rate k B C 2 rate k B C 0 200 0 100 C 0 250 0 250 0 500 The rate law for this reaction is therefore 0 000250 0 000500 0 00100

Which of the four Fischer projections corresponds to the compound shown on the left below Hint Determine the absolute stereochemistry at each stereocenter H C O Structure O Structure II Structure IV CH H OH H B CH 1 H Br CH OH H CH HO CH H H Br CH 111 CH HO H Br H N

What is the wavelength of light nm that has a frequency of 6 44 1013 s A 4660 B 6490 C 4 66 10 8 D 6 49 10 8 E 932

A buffer solution is prepared by taking 0 400 moles of acetic acid HC H O pK 4 76 and 0 250 moles of sodium acetate C H O Na in sufficient water to make 1 400 liters of solution Calculate the pH of this solution Click to open Click to open O 4 96 O4 86 O 4 46 O 4 56 O 4 66

If a reaction involving a single reactant is first order with a rate constant of 4 50 x 102 s how much time is required for 75 0 of the initial quantity of reactant to be used up Click to open 11 6 seconds 30 9 seconds 25 3 seconds 16 7 seconds O 23 1 seconds

Sulfuric acid Lithium hydroxide 2 Hexene hydrobromic acid and light 1 Butene bromine and light E

In high school it is common for children of the rich to flaunt their affluence with nifty clothing and expensive gadgets meant to provoke the envy of their schoolmates This type of behavior is called Conspicuous consumption invidious consumption O conspicuous compassion O prestige seeking

A 0 300 M solution of an acid HZ has a pH 1 301 What is the value of the ionization constant K for this acid Click to open 07 14 x 100 O 2 00 x 10 O 1 00 x 102 O 1 67 101 8 33 x 103

Suppose the reaction A B D followed the mechanism A B C fast CD slow The rate law for the reaction is therefore O rate k A rate k A B D rate k A B C rate k A B O rate k A

ww 160 5 mol of an ideal gas is at 1 47 atm at 47 70 C what is the volume of the ga

Name the following compounds by any correct name Make sure to show the numbers for the group locations DO NOT mix common names and systematic names CH3 CH CH CH3 CH3 CH3 NO

CH3 OH I U I NO n CH CH O N Br CH CH3 CH NO NO CH3 HO CH CH Br C1 CH CH NH

3 Identify each of the following as acid base or neither HNO3 Ca OH 2 4 5 a b C NH3 d KCI e H3PO4 In the following identify the acid and base and conjugate acid and conjugate base Also label the proton donor and proton acceptor NH4 aq NH3 NH4 aq H O C H3O2 aq H SO4 aq NaOH s OH aq NH3 aq 6 Complete and balance this acid base neutralization equations HC H302 aq

1a Draw the structure of CIF3 2a Draw the structure of PO4 3a Draw the structure of XeF4 4a Draw the structure of NO3 5a Draw the structure of SF4 1b How many single double and triple bonds are there 2b How many single double and triple bonds are there 3b How many single double and triple bonds are there 4b How many single double and triple bonds are there 5b How many single double and triple bonds are there

Pentane hydroiodic acid Ethane calcium hydroxide Octane oxygen and an ignition source Ethyne oxygen and an ignition source

Reaction HNO aq RbOH aq RbNO aq What is the final pH if 0 741 L of 0 322 M HNO is placed in a beaker with 0 420 L of 0 677 M RbOH answer pH 12 59 H C

Based on the following space filling models identify the family to which each of the following molecules belongs Hydrogen Carbon Oxygen Nitrogen amine ester ether ketone b

Write the reaction between ammonia NH3 and hydrosulfuric acid H S NH3 In this reaction the products side a NH3 e H O b NH4 1 f H 0 completes the reactant side while c HS1 d H S 9 OH 1 and

What is the osmolarity of a 0 250 M Mg3 PO4 2 solution The rx is given so you can get the conversion factor Mg3 PO4 2 3 Mg 2 2 PO4 OA 0 250 OSM B 0 500 OSM C 0 750 OSM D 1 25 OSM E 1 50 OSM

An unknown element Uk has three isotopes seen in the table One of the percentage values is missing Isotope Notation Uk 66 Uk 69 Mass amu 65 994 68 958 Percent Abundance 57 00 10 00 Uk 71 70 975 After you have found the missing percent abundance calculate the average atomic mass of Uk Enter your answer to the hundredths place

Calculate the V V when 20 00 mL of methanol is added to 80 00 mL of water OA 10 00 V V B 20 00 V V OC 25 00 V V D 40 00 V V E 400 0 V V

Complete the reaction when ammonia is dissolved into water NH3 H O a NH4 1 the acid is the base is b OH the conjugate acid is the conjugate base is C H301 d H O e NH3

How many non bonding pairs of electrons does SO42 have 07 04 06

A 6 21 gram sample of oxygen gas has a volume of 801 milliliters at a pressure of 3 06 atm The temperature of the O gas sample is Submit Answer Try Another Version Use the References to access important values if needed for this question 1 item attempt remaining C

1 How many unpaired electrons are in the carbon atom A Paramagnetic B Diamagnetic This atom is 2 How many unpaired electrons are in the copper atom A Paramagnetic B Diamagnetic This atom is

I needed for this questio What volume of oxygen gas is required to react completely with 0 786 mol of hydrogen sulfide according to the following reaction at 0 C and 1 atm hydrogen sulfide g oxygen g water 1 sulfur dioxide g liters oxygen gas