Home
Class 12
CHEMISTRY
Reddish- brown (chocolate) ppt. are form...

Reddish- brown (chocolate) ppt. are formed with:

A

`Pb^(2+) and I^(-)`

B

`Ba^(2+) and SO_(4)^(2-)`

C

`Cu^(2+)and Fe (CN)_(6)^(4-)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2019

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

  • MODEL TEST PAPER - 7

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

Iron objects acquires redish brown coating when left exposed to moist air. Name the chemical process responsible for this coating and the red coating formed.

Solution of ZnS in dil HCl , when treated with NaOH solution , a white ppt. is formed which dissolves in excess of NaOH due to the formation of :

The reddish brown gas formed when nitric oxide is oxidised by air is :

Ozone gives brown colour with

When KBr is treated with conc. H_2SO_4 a reddish brown gas is evolved. The gas coming out is

Write the balanced chemical equation for each of the following. On heating green - coloured ferrous sulphate crystals a reddish - brown solid is left and gases having a smell of burning sulphur are released.

When tertiary butyl alcohol and 1-butanol are separately treated with a few drops of KMnO_(4) , in one case only the purple colour disappears and a brown precipitate is formed. Which of the two alcohols gives the above reaction and what is that brown precipitate.