`NaBr,` used to produced `AgBr` for use in photography can prepared as follows : `Fe + Br_2 -> FeBr_2 `

Ask a Question


Question Asked by a Student from EXXAMM.com Team


Q 1270178016.     `NaBr,` used to produced `AgBr` for use in photography can prepared as follows :

`Fe + Br_2 -> FeBr_2 ` ......................(i)

`3 FeBr_2 + Br_2 -> Fe_3Br_8` .......................(ii) ( not balanced )

`Fe_3Br_8 + Na_2CO_3 -> 3NaBr + CO_2 + Fe_3O_4` .......(iii) ( not balanced )

Mass of iron required to produced `2.06xx10^3 `kg `NaBr`
A

` 420 ` g

B

`429` kg

C

`4.2 xx 10^5` kg

D

`4.2 xx 10^5` g

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including

  • 100% free video lectures with detailed notes and examples
  • Previous Year Papers
  • Mock Tests
  • Practices question categorized in topics and 4 levels with detailed solutions
  • Syllabus & Pattern Analysis

Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD