Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 49

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Earn 100

The difference between titrant and titrate is

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Important Questions on Practical Chemistry

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 50

Which of the following is not correct? Hydrochloric acid cannot be used in place of dil.

H_{2} {SO}_{4}

in

{KMnO}_{4}

titrations because

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 1

In this section, each question has two matching lists. Choices for the correct combination of elements from List-I and List-II are given as options (a), (b), (c) and (d) out of which one is correct?

List-I	List-II
(P) Dirty green precipitate with sodium hydroxide	1. Zinc $({Zn}^{2 +})$ salt
(Q) A white precipitate soluble in excess of sodium hydroxide solution	2. Lead $({Pb}^{2 +})$ salt
(R) A white precipitate insoluble in excess of sodium hydroxide or ammonium hydroxide	3. Ferrous $({Fe}^{2 +})$ salt
(S) A white precipitate soluble in excess of ammonium hydroxide	4. Calcium $({Ca}^{2 +})$ salt

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 1

The number of cations out of the following which are detected by ammonium carbonate in the presence of

{NH}_{4} OH

is:

{Ca}^{2 +}, {Al}^{3 +}, {Pb}^{2 +}, {Ba}^{2 +}, {Mg}^{2 +}

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 2

The number of radicals present in group

IV

is

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 3

The number of acidic radicals out of the following is

${Cl}^{-}, {Pb}^{2 +}, {CH}_{3} {COO}^{-}, {Zn}^{2 +}, {Cd}^{2 +}, {Br}^{-}, {NO}_{3}^{-}, {SO}_{4}^{2 -}, {Ca}^{2 +}$

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 4

500 mL

of

\frac{N}{20} {KMnO}_{4}

solution is equivalent to

20 mL

of the given oxalate solution. Then normality of given oxalate solution is

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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 5

20 mL

of

x M {KMnO}_{4}

solution required for the oxidation of

100 mL

of

3 M {FeSO}_{4}

solution. Here

x

is