1. True or false The formula of nitrous acid is HNO3.
A.True
B.False
2.What type of compound is NH3?
A.Hydrate
B.Ternary
C.Acid
D.Ionic
E.Base
I need an answer please in 10 minutes.
1) Answer-B) False
Nitrous acid has formula- HNO2
Nitric acid has formula-HNO3
)
2) answer - E)Base
Ammonia is nitrogen atom containing base ,used in number of organic reaction.
1. True or false The formula of nitrous acid is HNO3. A.True B.False 2.What type of...
QUESTION 7 Which one has the two acid formulas (HNO3 and H2503) all correctly paired with their respective names? HNO3 = nitrous acid H2SO3 = sulfurous acid O HNO3 = nitric acid H2SO3 = sulfuric acid HNO3 = nitrous acid H2SO3 = sulfuric acid HNO3 = nitric acid H2SO3 = sulfurous acid HNO3 = hydronitric acid H2503 - sulfurous acid QUESTION 8 What is the formal charge of the C atom of the Lewis structure of a carbonate ion, C032-?...
True or false (encircle as appropriate). 1. 2,4-Dinitrophenylhydrazine can differentiate between aldehydes and ketones. True / False 2. Nitrous acid test is used to confirm an amino function in a simple organic compound. True / False 3. Hydroxamate test is used for esters. True / False 4. Silver mirror test differentiates between an aldehyde and a ketone. True / False 5. Secondary aromatic amines react with nitrous acid to produce nitrogen gas. True / False
2 Question (1 point) 2nd attempt Feedback See Periodic Table In a 8.00 M nitrous acid (HNO3) solution, calculate [H]. Nitrous acid is a weak acid with K = 4,00 x 10-4 at 25°C. 1.789 x 10-4 M
True or False: 1. Lucas reagent (Zinc chloride + HCl) differentiates between primary, secondary, and tertiary alcohols. True…………………..False 2. Diazonium ion can be produced by reacting an aromatic amine with a mixture of sodium nitrite and sulfuric acid or hydrochloric acid (which produces nitrous acid). True…………………..False 3. Secondary alcohols give yellow oil on reaction of with nitrous acid. True…………………..False 4. Beilstein test is used to detect aromaticity in an organic compound. True…………………..False 5. Organic compounds containing bromine give a yellow...
1)Linolenic acid is an essential fatty acid. True or False 2)Linoleic acid is the parent member of omega-6 fatty acids. True or False 3)Chylomicrons are a type of lipoprotein which is produced by the cells lining our stomach. True or False 4) Glycerol and shorter-chain fatty acids need lipoprotein carriers to travel to the blood stream. True or False 5) Dietary measures are the best way to increase the level of our blood HDL True or False 6) When the...
. The Ka of nitrous acid is 4.0 × 10−4. What is the pH of a buffer which is prepared by combining 50.0 mL of 1.00 M nitrous acid and 45.0 mL of 1.25 M sodium nitrite? The answer is 3.45 Please show the solution. Thank you.
MICROBIOLOGY:
Exercise 3-7 Acid-Fast Stain (Kinyoun Method TRUE FALSE 1. The Acid-Fast stain is a differential stain. 2. The counter stain for the Kinyoun Acid-Fast method is 3. The decolorizing agent for the Kinyoun Acid-Fast method is . The Kinyoun method requires heat for at least 5 minutes . An Acid-Fast microbe is 6. The Acid-Fast method is used primarily to identify microbes in the genus TRUE FALSE in color 7. What is the other type of acid-fast staining procedure?...
Consider the following data on some weak acids and weak
bases:
acid
Ka
name
formula
nitrous acid
HNO2
×4.510−4
acetic acid
HCH3CO2
×1.810−5
base
Kb
name
formula
ammonia
NH3
×1.810−5
ethylamine
C2H5NH2
×6.410−4
Use this data to rank the following solutions in order of
increasing pH. In other words, select a '
1
' next to the solution that will have the lowest pH, a '
2
' next to the solution that will have the next lowest pH, and...
True or false (encircle as appropriate). 1. 5% NaHCO3 solution differentiates between a carboxylic acid and an alcohol. True / false 2. Beilstein flame test is meant to determine whether the compound is aromatic. True / False 3. Lucas reagent is a mixture of zinc chloride and hydrochloric acid True / False 4. Black soot is obtained when you burn a non-aromatic compound in open flame. True / False 5. Esters react with hydroxylamine hydrochloride under basic conditions. True False
Consider the following data on some weak acids and weak bases: acid name formula nitrous acid HNO, 45 x 10-4 base Ko name formula ammonia NH, | 1.8 x 1075 aniline CH3NH2 4.3 x 10-10 hypochlorous acid HCIO 3.0 x 10-8 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the...