HARD

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How sodium hydroxide test helps to detect cadmium (II) ion?

Important Questions on Analytical Chemistry

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

Fe {(OH)}_{3}

can be separated from

Al {(OH)}_{3}

by addition of?

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

The product formed by the reaction of

{Cd}^{2 +}

with excess sodium hydroxide is soluble.

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

0.3 M

H C l

solution contains the following ions

H g^{2 +},

C d^{2 +},

S r^{2 +},

F e^{2 +},

C u^{2 +}

. The addition of

H_{2} S

to above solution will precipitate

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

The product formed by the reaction of

{Al}^{3 +}

with excess sodium hydroxide is soluble.

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

Which of the following pairs would be expected to form precipitate when solution are mixed

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

Name the product formed by the reaction of

{Cd}^{2 +}

with sodium hydroxide

HARD

Science>Chemistry>Analytical Chemistry>Precipitation

Explain the sodium hydroxide test for aluminium (III) ion.

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

Represent the union of two sets by Venn diagram for each of the following.

$X = {x | x$ is a prime number between $80$ and $100}$

$Y = {y | y$ is an odd number between $90$ and $100}$

HARD

Science>Chemistry>Analytical Chemistry>Precipitation

Explain the sodium hydroxide test for cadmium (II) ions.

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

Which one of the following sulphides is only completely precipitated when the acidic solution is made dilute

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

The colour of the product formed by the reaction of

{Al}^{3 +}

with sodium hydroxide solution is:

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

On addition of aqueous

N a O H

to a salt solution, a white gelatinous precipitate is formed, which dissolves in excess alkali. The salt solution contains

HARD

Science>Chemistry>Analytical Chemistry>Precipitation

Which of the following aqueous solution of cation(s) give(s) white precipitate with

NaOH

and

{NH}_{4} OH

solution and formed precipitate is/are further completely dissolved in one of the excess reagent?

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

What would you observe if you add with shaking excess of dilute

NaOH

solution to an aqueous solution of

{AlCl}_{3}

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

Which of the following is not precipitated as sulphide by passing

H_{2} S

in presence of conc.

H C l

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

The colour of the product formed by the reaction of

{Cd}^{2 +}

with sodium hydroxide solution is:

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

Cotyledons are also called-

MEDIUM

Science>Chemistry>Analytical Chemistry>Precipitation

Which of the following aqueous solution of cation(s) give(s) white precipitate with

NaOH

and

{NH}_{4} OH

solution and the formed precipitate is/are further completely dissolved in one of the excess reagent?

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

On passing

H_{2} S

black precipitate of II group is obtained. The mixture may not contain

EASY

Science>Chemistry>Analytical Chemistry>Precipitation

Name the product formed by the reaction of

{Al}^{3 +}

with sodium hydroxide.

How sodium hydroxide test helps to detect cadmium (II) ion?

Important Questions on Analytical Chemistry

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