(Participative Learning), Dept of Analytical Chemistry, B.Sc. III, R.S.M., Latur

Basics of Conductometry(Team Dalton)

100

The reciprocal of resistance of 1 mL of electrolyte solution at specified temperature is called as ....

Specific Conductance

200

Arrange the following in Ascending Order of conductance, K⁺, Na⁺, H⁺, Mg²⁺

Na⁺<Mg²⁺<K⁺<H⁺

300

To reduce polarization effect and foster absorption of ion on electrode surface, their inner sides are coated with .......

Platinum Black

400

The role of selector switch is .....

To set appropriate conductance range

500

Redox titration can't be performed by conductometry because ----- 

Excess of acids or bases used interferes

Peep to Conductometry(Team Einstein)

100

The equivalent conductivity of an electrolyte at infinite dilution is equal to the sum of the conductances of the anions and cations. This is -----

Kohlrausch’s law

200

Arrange the following in decreasing order of ionic mobilities at 25 ^oC, Cl^-, CH₃COO^-, OH^-, C₆H₅COO^-

OH^->Cl^->CH₃COO^->C₆H₅COO^-

300

After equivalence point, the graph in strong acid-weak base titration is horizontal because of -----

Common ion effect

400

The volume changes by the addition of titrant should not be appreciable. So what should be done?

Concentration of Titrant should be 10-20 times high

500

The empirical formula given by Ostwald for calculating basicity of organic acids is ----

B=(Lambda₁₀₂₄-Lamda₃₂)/10.8

Exploration on Conductometry(Team Lavoisier)

100

The conductivity meter is constructed using ....

Wheatstone Bridge Circuit

200

The ratio of d/A for fixed electrodes is a constant and it is called as .....

Cell Constant

300

Arrange the following in descending order of conductance, OH^-, H⁺, Hg⁺, CrO₄^2-

H⁺> OH^->CrO₄^2->Hg⁺

400

Correction for dilution effect can be applied by multiplying conductance by -------

V+Vbar/V

500

Degree of Dissociation of weaker electrolyte can be found by -----

(Equi Cond at given dilution V/Equi Cond at infinite dilution)