Question:medium

Which one is a Lewis acid?

Show Hint

Lewis acids are electron-pair acceptors. Compounds like B\(_2\)H\(_6\) with electron-deficient atoms, such as boron, can accept electrons, making them Lewis acids.

Updated On: Nov 28, 2025

CH\(_4\)
B\(_2\)H\(_6\)
H\(_2\)O
NH\(_3\)

Top Questions on Acids and Bases

The best indicator for titrating 0.1 N Na₂CO₃ against 0.1 N HCl is:
- BCECE - 2025
- Chemistry
- Acids and Bases
View Solution
Which of the following is not a Bronsted acid?
- BCECE - 2025
- Chemistry
- Acids and Bases
View Solution
What is the pH of a solution with a hydrogen ion concentration of \( 1 \times 10^{-5} \, \text{mol/L} \)?
- MHT CET - 2025
- Chemistry
- Acids and Bases
View Solution
The pH of a solution is 3. What is the concentration of \( \text{H}^+ \) ions in the solution?
- MHT CET - 2025
- Chemistry
- Acids and Bases
View Solution
Want to practice more? Try solving extra ecology questions todayView All Questions

Questions Asked in BCECE exam

In a Bowler's solution containing the same concentrations of B^- and HB, the ratio of K_B to B^- is 10^-10. The pH of the Bowler's solution will be:

BCECE - 2025
Buffer Solutions

The bond dissociation energies of gaseous H₂, Cl₂, and HCl are 104, 58, and 103 kcal, respectively. The enthalpy of formation of HCl gas would be:

BCECE - 2025
Enthalpy change

Benzene on ozonolysis followed by reaction with Zn + H₂O gives:

BCECE - 2025
Nomenclature Of Organic Compounds

What is the enthalpy of neutralization for CH₃COOH + NaOH?

BCECE - 2025
Enthalpy change