Advertisements
Advertisements
Question
Classify the following species into Lewis acids and Lewis bases.
| Cl- | |
| `"NH"_4^+` | |
| BCl3 | |
| NH3 |
Solution
| Cl- | Lewis base |
| `"NH"_4^+` | Lewis acid |
| BCl3 | Lewis acid |
| NH3 | Lewis base |
RELATED QUESTIONS
Choose the most correct answer :
The conjugate base of [Zn(H2O)4]2⊕ is __________.
Answer the following in one sentence :
Why cations are Lewis acids?
Answer the following in brief :
What is meant by conjugate acid-base pair?
Label the conjugate acid-base pair in the following reaction:
\[\ce{HCl + H2O ⇌ H3O\overset{\oplus} + Cl\overset{\ominus}{}}\]
Label the conjugate acid-base pair in the following reaction:
\[\ce{CO^2-_3 + H2O ⇌ OH- + HCO^-_3}\]
Answer the following in brief :
Write a reaction in which water acts as a base.
Answer the following in brief :
Ammonia serves as a Lewis base whereas AlCl3 is Lewis acid. Explain.
For a reaction \[\ce{HCl_{(aq)} + H2O_{(l)} ⇌ H3O^+_{ (aq)} + Cl^-_{ (aq)}}\]
Which of the following is a conjugate acid-base pair?
The theory which explain amphoteric nature of water is ______.
Explain the amphoteric nature of water.
Which among the following compounds is used as selective weed killer?
In which oxidation state, group 15 elements act as Lewis base?
Conjugate base for Bronsted acids H2O and HF are ___________.
Which of these is not likely to act as Lewis base?
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{HS^-_{( aq)} + HF ⇌ F^-_{( aq)} + H2S_{(aq)}}\]
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{HPO^{2-}_4 + SO^{2-}_3 ⇌ PO^{3-}_4 + HSO^-_3}\]
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{NH^+_4 + CO^{2-}_3 ⇌ NH3 + HCO^-_3}\]
When aqueous ammonia is added to CuSO4 solution, the solution turns deep blue due to the formation of tetramminecopper (II) complex, \[\ce{[Cu(H2O)6]^{2+}_{( aq)} + 4NH3_{( aq)} ⇌ [Cu(NH3)4]^{2+}_{( aq)}}\], among HO2 and NH3 Which is stronger Lewis base.
Name one amphoteric solvent.
Identify the conjugate acid - base pair in the following reaction.
\[\ce{H2O + HCl -> H3O+ + Cl-}\]
Define conjugate acid-base pair.
According to Lowry-Bronsted concept, base is a substance which acts as ______.
Calculate pH of 0.01 M NaOH.
