When conc. H2 SO4 is added to dry KNO3 b...

When conc. `H_2 SO_4` is added to dry `KNO_3` brown fumes evolve. These fumes are of

A

`SO_(2)`

B

`SO_(3)`

C

`NO`

D

`NO_(2)`

Text Solution

Verified by Experts

The correct Answer is:

D

Topper's Solved these Questions

PRINCIPLES OF QUALITATIVE ANALYSIS
AAKASH INSTITUTE|Exercise Assignment (SECTION B)|15 Videos
PRINCIPLES OF QUALITATIVE ANALYSIS
AAKASH INSTITUTE|Exercise Assignment (SECTION C)|10 Videos
PRINCIPLES OF QUALITATIVE ANALYSIS
AAKASH INSTITUTE|Exercise Try Yourself|1 Videos
POLYMERS
AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|13 Videos
REDOX REACTIONS
AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D|10 Videos

Similar Questions

Explore conceptually related problems

When conc. H_2SO_4 is added to dry KNO_3 brown fumes evolve. These are of

Conc. H_2 SO_4 is not a

When conc. H_2 SO_4 was added to an unknown salt, a brown gas 'A' was evolved, On cooling this gas 'A' changed to a colour less gas 'B'. The 'A' and 'B' are:

Why conc. H_2 SO_4 cannot be used to dry hydrogen sulphide ?

An explosion takes place when conc. H_2SO_4 is added to KMnO_4 . Which of the following is formed?

AAKASH INSTITUTE-PRINCIPLES OF QUALITATIVE ANALYSIS-Assignment (SECTION A)

Which of the following is not a prelminary test used to detect ions?
Text Solution
|
Which compound does not dissolve in hot dilute HNO(3) ?
Text Solution
|
When K2 Cr2 O7 crystals are heated with conc. HCl, the gas evolved is
Text Solution
|
The only cations present in a slightly acidic solution are Fe^(3+),Zn^...
Text Solution
|
The brown ring test for NO(3)^(-) is due to the formation of the compl...
Text Solution
|
A salt which gives CO2 with hot H2 SO4 and also decolourizes acidified...
Text Solution
|
An aqueous solution FeSO(4).Al(2)(SO(4))(3) and chrome alum is heated ...
Text Solution
|
When conc. H2 SO4 is added to dry KNO3 brown fumes evolve. These fumes...
Text Solution
|
In the fifth group, (NH4)2 CO3 is added to precipitate out the carbona...
Text Solution
|
White substance dissolves in hot water. A black precipitate appears on...
Text Solution
|
A salt on treatment with dil. HCl gives a pungent smelling gas and a y...
Text Solution
|
A violet colour is obtained on adding Cl(2) water in solution of potas...
Text Solution
|
A substance on treatment with dilute H(2)SO(4) liberates a colourless ...
Text Solution
|
Which of the following statement is correct?
Text Solution
|
When H(2)S gas a passed through an ammonical salt solution X, a slight...
Text Solution
|
A mixture is known to contain NO(3)^(-) and NO(2)^(-) before performin...
Text Solution
|
The ion most difficult to removes as precipitate is
Text Solution
|
Which of the following white ppts are insoluble in NH(3)?
Text Solution
|
The brown ring complex compound is formulated as [Fe(H(2)O)(5)NO]SO(4)...
Text Solution
|
Choose the correct pair regarding solubility
Text Solution
|