MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Introduction to Oxidation and Reduction

An acidic sol...

Question

An acidic solution contains ${C u}^{2 +}, {P b}^{2 +}$ and ${Z n}^{2 +}$ . If hydrogen sulphide gas is passed through this solution, the precipitate will contain:

A

C u S

and

Z n S

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

P b S

and

Z n S

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

C u S

and

P b S

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

C u S, P b S

and

Z n S

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $C u S$ and $P b S$
Hydrogen sulphide gas can be used to precipitate $C u^{2 +} a n d P b^{2 +}$ and also $A g^{+}$ in acidic medium.

Suggest Corrections

thumbs-up

0

Similar questions

Q. An acidic solution contains

C u^{2 +} P b^{2 +}

Z n^{2 +}

. If hydrogen sulphide gas is passed through this solution the percipitate will contain:

H_{2} S

gas is passed through a hot acidic aqueous solution containing

A l^{3 +}, C u^{2 +}, P b^{2 +} a n d N i^{2 +}

, a precipitate is formed which consists of

Q. A solution containing

0.1 M

{Z n}^{2 +}

0.01 M

{C u}^{2 +}

H_{2} S

S^{2 -}

concentration is

8.1 \times 10^{- 31} M

Z n S

C u S

K_{s p} (Z n S) = 3.0 \times 10^{- 23}

K_{s p} (C u S) = 8.0 \times 10^{- 4}

C u

is precipitated as

C u S

Z n

is not precipitated when

H_{2} S

is passed through an acidic solution of

C U (N O_{3})_{2}

Z n (N O_{3})_{2}

H_{2} S

into a solution containing both

Z n^{2 -}

C u^{2 -}

in acidic medium, only CuS gets precipitated. This is because :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Introduction to Oxidation and Reduction

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon