Redox Reactions & Electrochemistry-Kohlrausch's Law and Its Applications (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Chemistry): Questions 1 - 4 of 5

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Question number: 1

» Redox Reactions & Electrochemistry » Kohlrausch's Law and Its Applications

Appeared in Year: 2014

MCQ▾

Question

If the molar conductivities C in 5 5cm2mol1 of NaCl, KCl and NaOH at infinite dilution are 126, 150 and 250, respectively, the molar conductivity of KOH (in Scm2mol1 )

Choices

Choice (4) Response

a.

274

b.

526

c.

26

d.

226

Question number: 2

» Redox Reactions & Electrochemistry » Kohlrausch's Law and Its Applications

MCQ▾

Question

Calculate molar conductivity in Scm2mol1 for NH4OH , givem that molar conductivity for Ba(OH)2,BaCl2,NH4Cl are 523.28,280.0and129.8Scm2mol1.

Choices

Choice (4) Response

a.

251.44

b.

252.57

c.

25.144

d.

25.257

Question number: 3

» Redox Reactions & Electrochemistry » Kohlrausch's Law and Its Applications

MCQ▾

Question

The equivalent conductivity of CH3COONa,HClandNaCl at infinite dilution are 91.6,425.0and128.1Scm2eq1 respectively. Calculate equivalent conductivity of acetic acid at infinite dilution. Also if degree of dissociation of 0.1N acetic acid is 0.001, find the equivalent conductivity at this concentration of acetic acid in Scm2eq1.

Choices

Choice (4) Response

a.

0.3885

b.

3.885

c.

0.03885

d.

38.55

Question number: 4

» Redox Reactions & Electrochemistry » Kohlrausch's Law and Its Applications

MCQ▾

Question

The molar conductivities at infinite dilution of AgNO3,NaClandNaNO3 are 116.5,110.3and105.2Scm2mol1 respectively. The conductivity of AgCl in water is 2.40×106Scm1 and of water used is 1.6×106Scm1. What will be the solubility of AgCl in g/litre.

Choices

Choice (4) Response

a.

146.3 × 1 06

b.

1.463

c.

14.63 × 1 06

d.

1.463 × 1 06

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