To an acidified dichromate solution, a pinch of `Na_(2)O_(2)` is added and shaken. What is observed ?
A
Blue colour
B
Orange colour changing to greeen directly
C
Copious evolution of oxygen
D
Bluish-green precipitate
Text Solution
Verified by Experts
The correct Answer is:
A, C
Topper's Solved these Questions
s-BLOCK ELEMENTS
VK JAISWAL|Exercise Level 3|50 Videos
s-BLOCK ELEMENTS
VK JAISWAL|Exercise ONE OR MORE ANSWER IS/ARE CORRECT|69 Videos
QUALITATIVE INORGANIC ANALYSIS
VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|5 Videos
TYPES OF REACTIONS
VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|42 Videos
Similar Questions
Explore conceptually related problems
To an acidified dichromate solution, a pinch of Na_(2)O_(2) is added and shaken. Na_(2)Cr_(2)O_(7) +4Na_(2)O_(2)+5H_(2)SO_(4) to 2(A)+5(B)+5H_(2)O . Compound (A) is blue coloured The sum of the total number of atoms in one molecule of (A) and (B) is
What is O.N of Na in Na_(2)O_(2) ?
The species formed in concentrated aqueous solution of Na_(2)O_(2) is
Acidified K_(2)Cr_(2)O_(7) solution turns green when Na_(2)SO_(3) is added to it. This is due to the formation of
What happens when silver nitrate solution is aded to Na_(2)S_(2)O_(3) solution and then content is allowed to keep for a longer period?
