K b for weak base B is 1.0 × 10 - 6 then hydrolysis constant for the reaction B + + H 2 O ⇌ B O H + H + is

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

K_{b}

for weak base

B

is

1.0 \times 10^{- 6}

then hydrolysis constant for the reaction

B^{+} + H_{2} O \overset{}{⇌} B O H + H^{+}

is

ChemistryIonic EquilibriumNEET

Options:

A $1 0^{- 6}$
B $1 0^{- 7}$
C $1 0^{- 8}$
D $1 0^{- 9}$

Solution:

2547 Upvotes Verified Answer

The correct answer is:

1 0^{- 8}

B^{+} + H_{2} O ⇌ B O H + H^{+}

For hydrolysis of

B^{+}

the hydrolysis constant can be given as

K_{H} = \frac{K_{w}}{K_{b}}

= \frac{1 0^{- 14}}{1 0^{- 6}} = 1 0^{- 8}

.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play