Volumetric Analysis

IMPORTANT

Volumetric Analysis: Overview

This topic covers concepts, such as, Titration, Acid-base Titration, Relation between Number of Equivalence and Mole & Indicators in Redox Reactions etc.

Important Questions on Volumetric Analysis

EASY
IMPORTANT

What is the  [OH]  in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10  M Ba(OH)2 ?

EASY
IMPORTANT

The number of moles of KMn O 4 That will be needed to react with one mole of sulphite ion in acidic solution is

MEDIUM
IMPORTANT

What volume of oxygen gas (O2) measured at  0°C and 1 atm, is needed to burn completely 1L of propane gas  (C3H8) measured under the same conditions?

MEDIUM
IMPORTANT

The equivalent weight of   N a 2 S 2 O 3 .5 H 2 OandKBr O 3  In the following reactions would be:

  (i)2 S 2 O 3 2 + I 2 S 4 O 6 2 +2 I (ii)Br O 3 +6 H + +6 e B r +3 H 2 O

MEDIUM
IMPORTANT

The density of copper is  8.94 g ml1.  The number of coulombs needed to plate an area   10cm×10cm  to a thickness  102 cm using CuSO4 solution as electrolyte are:

MEDIUM
IMPORTANT

Ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in 100 mL of 0.1 M sulphuric acid. The excess of acid required 20 mL of 0.5 M sodium hydroxide solution for complete neutralisation. The organic compound is

EASY
IMPORTANT

The equivalent weight of HNO3 in the following reaction is

I2+10HNO32HIO3+10NO2+4H2O

HARD
IMPORTANT

1.1 g CH3CH2nCOOH was burnt in excess of air and the resultant gases CO2+H2O were passed through a solution of NaOH. The resulting solution is divided into two equal parts. One part required 75 m.e. of HCl for neutralisation using phenolphthalein as indicator. The other part required 100 m.e. of HCl using methyl orange as indicator. Find n.

EASY
IMPORTANT

The valency factor of ammonium sulphate is

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IMPORTANT

Find the valency factor of sodium sulphate.

EASY
IMPORTANT

The valecy factor of Aluminium sulphate is

MEDIUM
IMPORTANT

Potassium permanganate is a self indicator.

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IMPORTANT

Which of the following is used as an indicator in iodometric titration.

MEDIUM
IMPORTANT

What is the role of potassium permanganate in titration.

EASY
IMPORTANT

What are indicators in redox reaction? Give example.

MEDIUM
IMPORTANT

Define "neutralisation".

MEDIUM
IMPORTANT

If 6×10-3 mole of K2Cr2O7 reacts completely with 9×10-3 mole of Xn+ to give XO3- and Cr3+, then, the value of n is

MEDIUM
IMPORTANT

The equivalent weight of an element is 4. Its chloride has a vapour density 59.25. Then the valency of the element is

EASY
IMPORTANT

Equivalent weight of an element is _____ proportional to its valency.

EASY
IMPORTANT

The equivalent weight of HNO3 in the following reaction is

3Cu+8HNO33CuNO32+2NO+4H2O