(D) Solutions which resist the change in the value of $pH$ when a small amount of acid or base is added to them are known as buffer solutions. Since $

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(D) Solutions which resist the change in the value of $pH$ when a small amount of acid or base is added to them are known as buffer solutions. Since $pH = -\log[H_3O^+]$,a constant $pH$ implies that the concentration of $H_3O^+$ remains effectively constant.

Class 11 Chemistry 6-2.Equilibrium-II (Ionic Equilibrium)Buffer solution

Medium

In some solutions,the concentration of $H_3O^{+}$ remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as

JEE MAIN 2014 All JEE MAIN

A
Ideal solutions
B
Colloidal solutions
C
True solutions
D
Buffer solutions

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

6-2.Equilibrium-II (Ionic Equilibrium)

Subtopic

Buffer solution

Previous Year

JEE MAIN 2014 Paper All JEE MAIN years →

Assertion : Buffer system of carbonic acid and sodium bicarbonate is used for the precipitation of hydroxides of third group elements.
Reason : It maintains the $pH$ to a constant value,about $7.4.$

MediumAIIMS 2015

View Solution

Which statement is correct for a mixture of $1 \ M \ NaCl$ and $1 \ M \ HCl$?

Medium

View Solution

For preparing a buffer solution of $pH = 6$ by mixing sodium acetate and acetic acid,the ratio of the concentration of salt and acid should be $(K_a = 10^{-5})$

Difficult

View Solution

An acidic buffer solution can be prepared by mixing a solution of:

Easy

View Solution

$20 \ mL$ of $0.1 \ M \ H_2SO_4$ is added to $30 \ mL$ of $0.2 \ M \ NH_4OH$ solution. The $pH$ of the resultant mixture is [$pK_b$ of $NH_4OH = 4.7$].

DifficultJEE MAIN 2019

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo

In some solutions,the concentration of $H_3O^{+}$ remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as

Similar Questions

Assertion : Buffer system of carbonic acid and sodium bicarbonate is used for the precipitation of hydroxides of third group elements.Reason : It maintains the $pH$ to a constant value,about $7.4.$

Which statement is correct for a mixture of $1 \ M \ NaCl$ and $1 \ M \ HCl$?

For preparing a buffer solution of $pH = 6$ by mixing sodium acetate and acetic acid,the ratio of the concentration of salt and acid should be $(K_a = 10^{-5})$

An acidic buffer solution can be prepared by mixing a solution of:

$20 \ mL$ of $0.1 \ M \ H_2SO_4$ is added to $30 \ mL$ of $0.2 \ M \ NH_4OH$ solution. The $pH$ of the resultant mixture is [$pK_b$ of $NH_4OH = 4.7$].

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Assertion : Buffer system of carbonic acid and sodium bicarbonate is used for the precipitation of hydroxides of third group elements.
Reason : It maintains the $pH$ to a constant value,about $7.4.$