Advertisements
Advertisements
Question
Acidity of \[\ce{BF3}\] can be explained on the basis of which of the following concepts?
Options
Arrhenius concept
Bronsted Lowry concept
Lewis concept
Bronsted Lowry as well as Lewis concept.
Advertisements
Solution
Lewis concept
Explanation:
According to Lewis concept, a positively charged or an electron-deficient species acts as Lewis acid. \[\ce{BF3}\] is an electron-deficient compound with B having 6 electrons only.
APPEARS IN
RELATED QUESTIONS
Calculate the pH of the following solutions:
0.3 g of Ca(OH)2 dissolved in water to give 500 mL of solution.
Calculate the pH of the following solution:
0.3 g of NaOH dissolved in water to give 200 mL of solution.
The degree of ionization of a 0.1M bromoacetic acid solution is 0.132. Calculate the pH of the solution and the pKa of bromoacetic acid.
The pH of 0.005M codeine (C18H21NO3) solution is 9.95. Calculate its ionization constant and pKb.
The solubility of Sr(OH)2 at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the pH of the solution.
Answer the following in one sentence :
Calculate the pH of 0.01 M sulphuric acid.
Answer the following :
The pH of rainwater collected in a certain region of Maharashtra on a particular day was 5.1. Calculate the H+ ion concentration of the rainwater and its percent dissociation.
Define pOH.
Aqueous solution of ____________ will turn red litmus blue.
Equal volumes of three acid solutions of pH 1, 2 and 3 are mixed in a vessel. What will be the H+ ion concentration in the mixture?
The concentration of hydroxide ion in a water sample is found to be 2.5 × 10−6 M. Identify the nature of the solution.
Assertion (A): Increasing order of acidity of hydrogen halides is \[\ce{HF < HCl < HBr < HI}\]
Reason (R): While comparing acids formed by the elements belonging to the same group of periodic table, \[\ce{H - A}\] bond strength is a more important factor in determining acidity of an acid than the polar nature of the bond.
Calculate the pH of a buffer solution containing 0.1 M CH3COOH and 0.05 M CH3COONa. Dissociation constant of CH3COOH is 1.8 × 10-5 at 25°C.
Define pH.
Define pOH.
Derive the relation pH + pOH = 14.
Define pOH.
Derive the relation pH + pOH = 14.
