What is the principle of conductometric titration?

What is the principle of conductometric titration?

The principle of conductometric titration is based on the fact that during the titration, one of the ions is replaced by the other and invariably these two ions differ in the ionic conductivity with the result that conductivity of the solution varies during the course of titration.

Which chemical is used in conductometric titration?

Conductometric Titration Graph of NaOH and HCl Here we have used strong acid and strong base for our titration (viz. HCl and NaOH). Once we start adding our NaOH, we can see a decrease in conductance from A to B as OH- ions combine with H+ to form H2O.

Which indicator is used in conductometric?

Acid-base titrations and redox titrations are often performed in which common indicators are used to locate the end point e.g., methyl orange, phenolphthalein for acid base titrations and starch solutions for iodometric type redox process.

What are the types of conductometric titration?

Types of conductometric titrations:

• Acid-base titration.
• Precipitation titration.
• Replacement titration.
• Redox (oxidation-reduction) titration.
• Complexometric titration.

What is SI unit of conductance?

The siemens (symbolized S) is the Standard International (SI) unit of electrical conductance. The archaic term for this unit is the mho.

How many electrodes are used in Conductometry?

two electrode systems
Conductometry is general method, where two electrode systems are used for simultaneous measurement of all electroactive compounds in a solution.

What is SI unit of conductivity?

Conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is Siemens per meter (S/m).

What is the unit of Conductometry?

Conductometry is the measurement of the electrical conductivity of a solution. The conductance is defined as the current flow through the conductor. In other words, it is defined as the reciprocal of the resistance. The unit for the conductance is Seimens (S) which is the reciprocal of Ohm’s (Ω −1).

What is the symbol of conductance?

letter G
In equations, an uppercase letter G symbolizes conductance. The standard unit of conductance is siemens (S), formerly known as mho.

What is conductance formula?

Conductance is the opposite of resistance: the measure of how easy it is for electric current to flow through something. Conductance is symbolized with the letter “G” and is measured in units of mhos or Siemens. Mathematically, conductance equals the reciprocal of resistance: G = 1/R.

Why KCl is used in Conductometry?

The most common solution for the calibration of conductivity meters is potassium chloride (KCl) because it is soluble and stable. The composition of conductivity standard solutions is a ratio of KCl: Water. The required ion concentration level of the standard solution determines the mix ratio.

Which unit is mho?

siemens
The siemens (symbolized S) is the Standard International (SI) unit of electrical conductance. The archaic term for this unit is the mho (ohm spelled backwards). Siemens are also used, when multiplied by imaginary numbers, to denote susceptance in alternating current (AC) and radio frequency (RF) applications.

Why is conductometric titration used?

Conductometric titrations are used to determine water purity. It is used to check the levels of pollution present in different small water bodies like lakes, ponds or rivers. Conductometry can also be used to examine the salinity of seawater and the alkalinity of freshwater or freshwater bodies.

What is unit of conductance?

siemens (S), unit of electrical conductance. In the case of direct current (DC), the conductance in siemens is the reciprocal of the resistance in ohms (S = amperes per volts); in the case of alternating current (AC), it is the reciprocal of the impedance in ohms.

Why is G used for conductance?

REVIEW: Conductance is the opposite of resistance: the measure of how easy it is for electric current to flow through something. Conductance is symbolized with the letter “G” and is measured in units of mhos or Siemens. Mathematically, conductance equals the reciprocal of resistance: G = 1/R.

What is KCl solution pH?

7
The pH value of potassium chloride (KCl) is 7.

What is mho and ohm?

Another name for the siemens is the mho (/ˈmoʊ/). As the reciprocal of one ohm, it is the word ohm spelled backwards, at the suggestion of Sir William Thomson (Lord Kelvin) in 1883. Its symbol is an inverted capital Greek letter omega: U+2127 ℧ INVERTED OHM SIGN.

What is the parent acid for KCl?

(HCl)
The ions from KCl derive from a strong acid (HCl) and a strong base (KOH).

Why KCl is used in electrode?

Potassium chloride (KCl) acts as a source of chloride ions for the electrode. The advantage of using KCl for this purpose is that it is pH-neutral. Typically, KCl solutions of concentrations ranging from 3 molar to saturated are used in pH meters. Was this answer helpful?