Advertisements
Advertisements
प्रश्न
Assertion: \[\ce{HNO3}\] makes iron passive.
Reason: \[\ce{HNO3}\] forms a protective layer of ferric nitrate on the surface of iron.
विकल्प
Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
Assertion is correct, but reason is wrong statement.
Assertion is wrong but reason is correct statement.
Both assertion and reason are wrong statements.
उत्तर
Assertion is correct, but reason is wrong statement.
Explanation:
Passivity is attained by formation of a thin film of oxide on iron.
APPEARS IN
संबंधित प्रश्न
What is the covalence of nitrogen in N2O5?
How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.
Explain why NH3 is basic while BiH3 is only feebly basic.
Which of the following is a basic oxide?
(A) SiO2
(B) P4O10
(C) MgO
(D) Al2O3
The statement true for \[\ce{N^-_3}\] is ____________.
Which of the following statements is not correct for nitrogen?
Nitrogen is relatively inactive element because ____________.
The bonds present in N2O5 are ____________.
Which of the following oxides of nitrogen reacts with FeSO4 to form a dark brown compound?
On heating lead nitrate forms oxides of nitrogen and lead. The oxides formed are ______.