Orthoboric Acid
Trending Questions
Why is sulphuric acid not used during the reaction of alcohols with KI?
Reason (R): The mixture of concentrated sulphuric acid and concentrated nitric acid produces the electrophile, N0+2
- Both A and R are correct but R is not the correct explanation of A.
- Both A and R are not correct.
- Both A and R are correct and R is the correct explanation of A.
- A is not correct but R is correct.
Which chemical is known as king of chemicals?
What is endpoint in titration?
- Layer structure in which BO3 units are linked by oxygen
- Trigonal structure
- Tetrahedral structure
- Layer structure in which planar BO3 units are linked by hydrogen bonding
- NO2
- NO−2
- NO+2
- NO+
Explain what happens when boric acid is heated.
The compound that is not a lewis acid is
Chemical name for
18(a) Boric acid is a tribasic acid.
- True
- False
- Dimethyl ketone
- Diethyl ketone
- Ethyl methyl ketone
- Acetaldehyde
Is boric acid a protic acid? Explain.
B(OH)3+NaOH⇌NaBO2+Na[B(OH)4]−+H2O
How can the reaction above be made to proceed in the forward reaction?
Addition of cis-1, 2-diol
Addition of borax
Addition of trans-1, 2-diol
Addition of Na2HPO4
- The solution turns yellow
- The solution turns red
- The solution turns blue
- The solution turns pink
- a dilute sucrose solution
- a solution of fructose
- none of the above
- 40% aq. solution of formaldehyde
Name the following:
The process of removal of water from organic compounds.
Why is Carboxymethyl cellulose added while making detergent powder?
(a) Classify following oxides as neutral, acidic, basic or amphoteric:
CO, B2O3, SiO2, CO2, Al2O3, PbO2, Tl2O3
(b)Write suitable chemical equations to show their nature.
- It is a strong tribasic acid.
- It is prepared by acidifying an aqueous solution of borax
- It has a layer structure in which planar BO3 units are joined by hydrogen bonds.
- It does not act as proton donor as it acts as a lewis acid by accepting lone pair hydroxyl ions.
Boric acid is polymeric due to
(a) its acidic nature (b) the presence of hydrogen bonds
(c) its monobasic nature (d) its geometry
- Phosphinic acid
- Hypophosphoric acid
- Pyrophosphorus acid
- Phosphonic acid
Give a reason for the following.
Phosphoric acid is a tribasic acid.
- has low charge density
- shows preference for soft bases
- shows preference for donor atoms of low electronegativity
- is not polarizable
Hydrochloric acid is used in the preparation carbon dioxide. Give a balanced equation to prepare carbon di oxide and property of