- Which is the weaker base: nitrogen trifluoride or ammonia? Explain your choic - Name three...
Homework Answers
Nitrogen triflouride is weaker base because it has less dipole moment as compare to ammonia.
Polar aprotic solvents are the polar solvents that have hydrogen on them, but they do not have O−HO−H or N−HN−H bonds and therefore do not have hydrogen bonding in them. This criteria is satisfied by all the given solvents.
example : dimethyl formamide, dimethylsulfoxide, tetrahydrofuran
protic solvent has an HH- atom bond with O or N. In protic solvent I− is better nucleophile. I− has bigger size and more e− density around the atom.
example: ethanol, water, methanol.
Add Answer to:
- Which
is the weaker base: nitrogen trifluoride or ammonia? Explain your
choic
- Name three...
inorganic chemistry Explain the following: i) (a) Reaction of ammonia with iodomethane is not a very practical way to prepare methylamine. ii) Ketones are less reactive towards nucleophiles than...
inorganic chemistry
Explain the following: i) (a) Reaction of ammonia with iodomethane is not a very practical way to prepare methylamine. ii) Ketones are less reactive towards nucleophiles than aldehydes. ii) Reaction of propanone with CH3MgBr in water does not produce an alcohol. iv) 3-Hydroxypropanoic acid is less acidic than 2-fluoropropanoic acid. (12) (b) i) Classify CCl4, BrFs, HF and C&Hs as protic or aprotic solvents and write equations for the autoionisation of those that autoionise. ii) Describe the Hard...
complete the following information. If needed, review and/or research nucleophilic substitution reactions in your lecture textbook....
complete the following information. If needed, review and/or research nucleophilic substitution reactions in your lecture textbook. 1. SN2 a. Name = b. How many molecules involved in slow step? c. How many steps involved in mechanism? d. List what occurs in the step(s) e. When do you have to worry about chirality? f. What type of reactants undergo SN2? g. Secondary reactants undergo SN1 & SN2. If the nucleophile is negatively charged, what solvent (polar protic or polar aprotic) will...
Explain this resonance and basicity problem? Why does the Guanidine top nitrogen have a negative dipole?...
Explain this resonance and basicity problem? Why does the
Guanidine top nitrogen have a negative dipole? Doesn't the
resonance hybrid cause the bond to be less than 1 full bond so it
causes it to be a positive dipole? Also doesn't the resonance in
guanidine cause it to be a weaker base than ammonia?
17. (5) Let's decide which is the stronger base ammonia or guanidine. Circle one answer each in H2N parts (a) (c) below. Guanidine (a) What is...
a. Which one of the nitrogen waste products (ammonia/NH3 or ammonium/ NH4+) will be most likely...
a. Which one of the nitrogen waste products (ammonia/NH3 or
ammonium/ NH4+) will be most likely to enter the portal blood from
the colonic lumes? Please explain your answer.
4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated...
4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated with a suitable electrophile. Explain why only the 4-substituted pyridine is obtained in these reactions. Ac Br i) BuLi i) BuLi ii) Ac20 i) Ac20 Br
4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated with a suitable electrophile. Explain why only the 4-substituted pyridine is obtained in these reactions. Ac Br i)...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This process is very important in making the element nitrogen, a component of amino acids and nucleotides, available to ecosystems. Even though N2 makes up 80% of the atmosphere, nitrogen is the limiting nutrient in many ecosystems. Because nitrogen fixation is so energetically expensive, bacteria will only synthesize the proteins needed for this process if there is no available source of already fixed nitrogen, such...
Nitrogen and hydrogen gases are present in a rigid steel container which react to form ammonia...
Nitrogen and hydrogen gases are present in a rigid steel container which react to form ammonia gas (NH3). Use the information below to answer the following questions. N2(g) + 3H2(g) --> 2NH3(g) Before this chemical reaction took place, about 98.0 grams of nitrogen gas were present along with some mass of hydrogen gas. After the chemical reaction has occurred, 51.0 g ammonia plus 56.0 grams of excess reactant (either nitrogen or hydrogen) are present in a rigid container....
Cyanogen C2N2 reacts with fluorine gas to produce tetrafluoromethane and nitrogen trifluoride. Balance the reaction chemical equation:
Cyanogen C2N2 reacts with fluorine gas to produce tetrafluoromethane and nitrogen trifluoride.Balance the reaction chemical equation:Blank 1 Cyanogen + Blank 2 Fluorine --> Blank 3 Tetrafluoromethane + Blank 4 NitrogentrifluoridePut stoichiometric coefficients in (if it is a 1 put your answer as 1, do not leave blank). Type the number do not write one for 1.If 250.0 g of cyanogen is reacted with 1260.0 g of fluorine gas which reagent is limiting? Blank 5 (write chemical name)How much tetrafluoromethane could the...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following (circle your answer): the strongest base: i c F the strongest acid: CHOH H20 NH3 the worst nucleophile in protic, polar solvents: 1 F the slowest in an SN2 reaction: (CH3)2CHCH2Br CHI CH3CH2CH2Br the best solvent for an Snl reaction: acetone water pentane the worst nucleophile: OH "Сн, NH the strongest base NH H20 F the best nucleophile: OH CH3 NH the best solvent...
What is the balanced equation that represents the reaction between hydrogen and nitrogen to make ammonia...
What is the balanced equation that represents the reaction between hydrogen and nitrogen to make ammonia (NH3)? How many molecules of ammonia can be created when four molecules of nitrogen are combined with four molecules of hydrogen? Include a drawing of the molecules in your answer. What ratio of nitrogen and hydrogen molecules would result in no left-over reactants? Explain your answer. If 100.0g of nitrogen is reacted with 100.0g of hydrogen, what is the excess reactant? What is the...
inorganic chemistry
Explain the following: i) (a) Reaction of ammonia with iodomethane is not a very practical way to prepare methylamine. ii) Ketones are less reactive towards nucleophiles than aldehydes. ii) Reaction of propanone with CH3MgBr in water does not produce an alcohol. iv) 3-Hydroxypropanoic acid is less acidic than 2-fluoropropanoic acid. (12) (b) i) Classify CCl4, BrFs, HF and C&Hs as protic or aprotic solvents and write equations for the autoionisation of those that autoionise. ii) Describe the Hard...
complete the following information. If needed, review and/or research nucleophilic substitution reactions in your lecture textbook. 1. SN2 a. Name = b. How many molecules involved in slow step? c. How many steps involved in mechanism? d. List what occurs in the step(s) e. When do you have to worry about chirality? f. What type of reactants undergo SN2? g. Secondary reactants undergo SN1 & SN2. If the nucleophile is negatively charged, what solvent (polar protic or polar aprotic) will...
Explain this resonance and basicity problem? Why does the
Guanidine top nitrogen have a negative dipole? Doesn't the
resonance hybrid cause the bond to be less than 1 full bond so it
causes it to be a positive dipole? Also doesn't the resonance in
guanidine cause it to be a weaker base than ammonia?
17. (5) Let's decide which is the stronger base ammonia or guanidine. Circle one answer each in H2N parts (a) (c) below. Guanidine (a) What is...
a. Which one of the nitrogen waste products (ammonia/NH3 or
ammonium/ NH4+) will be most likely to enter the portal blood from
the colonic lumes? Please explain your answer.
4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated with a suitable electrophile. Explain why only the 4-substituted pyridine is obtained in these reactions. Ac Br i) BuLi i) BuLi ii) Ac20 i) Ac20 Br
4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated with a suitable electrophile. Explain why only the 4-substituted pyridine is obtained in these reactions. Ac Br i)...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This process is very important in making the element nitrogen, a component of amino acids and nucleotides, available to ecosystems. Even though N2 makes up 80% of the atmosphere, nitrogen is the limiting nutrient in many ecosystems. Because nitrogen fixation is so energetically expensive, bacteria will only synthesize the proteins needed for this process if there is no available source of already fixed nitrogen, such...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following (circle your answer): the strongest base: i c F the strongest acid: CHOH H20 NH3 the worst nucleophile in protic, polar solvents: 1 F the slowest in an SN2 reaction: (CH3)2CHCH2Br CHI CH3CH2CH2Br the best solvent for an Snl reaction: acetone water pentane the worst nucleophile: OH "Сн, NH the strongest base NH H20 F the best nucleophile: OH CH3 NH the best solvent...
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