White Silver Surface Turns Black When O3 is Passed Over It.    This Is Due To The Formation Of

Why Kaysons ?

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

SPEAK TO COUNSELLOR ? CLICK HERE

Question

 

White silver surface turns black when O3 is passed over it.   

This is due to the formation of

Solution

Correct option is

Freshly reduced silver which is black in colour

 

  

  

                                    (black)

Testing

SIMILAR QUESTIONS

Q1

When NaNO3 is heated with (NH4)2SO4 a colourless gas & a residue is obtained. The colour of residue is

Q2

The strongest reducing agent amongst the following is

Q3

Which of the following is correct order of bond strength?

Q4

Of the following acids of sulphur which one has more than one oxidation state of sulphur atom?

Q5

Of the following which compound is most unstable?

Q6

 

An aqueous solution of a gas shows following reactions:  

(i) It turns red litmus blue

(ii) When added in excess to a copper sulphate solution a deep blue colour is obtained.

(iii) On addition to ferric chloride solution a brownish precipitate soluble in HNO3 is obtained.       

Identify the gas.

Q7

Ammonium dichromate on heating gives

Q8

Reaction that involves atmospheric oxygen are never promoted by

Q9

The yellow colour often shown by nitric acid may be removed by

Q10

What is the name of the compound containing N, H and O, which on heating give laughing gas?