Iron becomes passive on treatment with...

Iron becomes passive on treatment with

A

`H_2SO_4` dil

B

HCl(conc.)

C

`HNO_3` conc.

D

`H_2SO_4` conc.

Text Solution

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

Topper's Solved these Questions

CHEMICAL KINETICS
USHA PUBLICATION|Exercise EXERCISE |151 Videos
ELECTRO CHEMISTRY
USHA PUBLICATION|Exercise EXERCISE |169 Videos

USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE

CuSO4 5H2O is commonly known as
Text Solution
|
Purest form of iron is called as
Text Solution
|
Iron becomes passive on treatment with
Text Solution
|
The scientist who explained the structure of co- ordination complexes ...
Text Solution
|
The oxidation number of 'Ni' in [Ni(CO)4] is
Text Solution
|
The effective atomic number of 'Cr' in [Cr(H2O)6]^(3+) ion is
Text Solution
|
When steam is passed over red hot iron, the products formed are
Text Solution
|
FeSO4. 7H2O is known as
Text Solution
|
Which of the following natural compound does not exist as co-ordinatio...
Text Solution
|
Which of the following ions is coloured in solution ?
Text Solution
|
The highest magnetic moment is shown by the transition configuration
Text Solution
|
The carbon content in steel is
Text Solution
|
Annealing is a process in which
Text Solution
|
The IUPAC name of Ni(CO)4 is
Text Solution
|
[Co(NH3)5Br]SO4 and [Co(NH3)5SO4]Br are related as
Text Solution
|
IUPAC name of Na3[Al(C2O4)3] is
Text Solution
|
An octabedral complex is formed when the central metal atom is hybrid...
Text Solution
|
The most stable oxidation state of iron is
Text Solution
|
The number of moles of ions produced per mole of K4[Fe(CN)6] in aqueou...
Text Solution
|
What is the co-ordination number of 'Co' in [Co(NH3)6]Cl3 ?
Text Solution
|