Tests for Lead(II) Ion

IMPORTANT

Tests for Lead(II) Ion: Overview

This Topic covers sub-topics such as Analysis of Group-I Cationic Radicals, Sodium Hydroxide Solution Test for Lead(II) Ion, Tests for Lead(II) Ion, Hydrogen Sulphide Test for Lead(II) Ion and, Tests for Lead(II) Ion in Group-II A

Important Questions on Tests for Lead(II) Ion

MEDIUM
IMPORTANT

Formation of which complex, among the following, is not a confirmatory test of Pb2+ ions

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Which one doesn't gives Pb+2 test?

HARD
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The reaction of PbNO32 and NaCl in water produces a precipitate that dissolves upon the addition of HCl of appropriate concentration. The dissolution of the precipitate is due to the formation of

HARD
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Find the number of compounds which have yellow colour precipitate from the given compounds:

PbCl2, Hg2Cl2, AgNH32Cl, SnCl2, HgI2, PbS

HARD
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Find the number of compounds which have yellow colour precipitate from the given compounds:

PbCl2, Hg2Cl2, AgNH32Cl, SnCl2, HgI2, PbS

MEDIUM
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Balance the chemical equation

PbCH3COO2 + H2S  PbS + _____ CH3COOH

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Write the chemical reaction of the product formed by reaction of Pb2+ with hydrogen sulphide in acidic medium.

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_____ and _____ ions give white precipitates with NaOH solution which are soluble in excess of the reagent. 

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Name the probable cation present in the following observation:

White precipitate insoluble in NH4OH but soluble in NaOH.

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Read the following sequence of reactions:

What are the compounds D and E?

EASY
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Which of the following metal ions does not form a complex with ammonia?

EASY
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Which of the following combinations in an aqueous medium will give a yellow ppt.?

EASY
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Cotyledons are also called-

HARD
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PbCl2 is insoluble in cold water. Addition of HCl increases its solubility due to

MEDIUM
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The ion that can be precipitated by HCl as well as H2S is

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Which of the following gives a ppt. with PbNO32 but not with BaNO32

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Distinguishing reagent between silver and lead salts is

EASY
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P+HCl Q ppt+HNO3 Q+KI Yellow ppt

Therefore P is

MEDIUM
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To the PbNO32 solution with dilute H2SO4 solution is added gradually, then

HARD
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A solution of a salt gives a precipitate on treatment with dilute HCl. The precipitate formed is filtered off and treated with NH3 whereby it turns black. The cation present in the salt is