Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
64 views
in Chemistry by (74.7k points)
closed by
Hydrogen is evolved the action of cold dilute `HNO_(3)` on `:`
A. `Fe`
B. `Mn`
C. `Cu`
D. `Al`

1 Answer

0 votes
by (74.4k points)
selected by
 
Best answer
Correct Answer - 2
`(1)4Fe+underset("very dil.")(10HNO_(3))rarr4Fe(NO_(3))_(2)+NH_(4)NO_(3)+3H_(2)O`
`4Fe+underset("dil.")(10HNO_(3))rarr4Fe(NO_(3))_(2)+N_(2)O+5H_(2)O`
`(2)Mn+underset("dil.")(2HNO_(3))rarrMn(NO_(3))_(2)+H_(2)`
`(3)3Cu+underset("dil.")(8HNO_(3))rarr3Cu(NO_(3))_(2)+2NO+4H_(2)O`
`(4)2Al+8HNO_(3)rarr2Al(NO_(3))_(2)+2NO+4H_(2)O`

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...