MyQuestionIcon

1

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

Electrolysis and Electrolytes

Group I catio...

Question

Group I cations are precipitated as ________.

A

Chlorides

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

B

Sulphides

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

C

Carbonate

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

D

Nitrates

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

Open in App

Solution

The correct option is A Chlorides
For the analysis of cations belonging to groups I-VI, the cations are precipitated from original solution by using the group reagents.
Group I reagent is dil.HCl.
Here, the group I cations like $P b^{2 +}$ precipitate as chlorides.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Group I cations are precipitated as ________.

Q. A solution containing a group-IV cation gives a precipitate on passing

H_{2} S

. A solution of this precipitate in

d i l . H C l

produces a white precipitate with basic

N a O H

solution and bluish-white precipitate with basic potassium ferrocyanide. The cation is:

Q. A solution contains a group IV cation. It's sulphide precipitate dissolves in

d i l . H C l

on boiling. On addition of

N a O H

to the dissolved sulphide precipitate solution in excess, a white precipitate is formed which turns brown due to atmospheric oxidation.
The cation is:

H_{2} S

gas when passed through a solution of cations containing

H C l

precipitates the cations of the second group of qualitative analysis but not those belonging to the fourth group. It is because:

Q. Suppose you did a cation group I analysis and treated the chloride precipitate with

{N H}_{3} (a q)

, without first trating it with hot water. What might you observe and what valid conclusions could you reach about cations present, cations absent, and cations in doubt?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Electrolysis and Electrolytes

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Electrolysis and Electrolytes

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon