No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Ca(CN)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
CaC2+CaCl2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
CaCN2+CaCl2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is DCaC2+CaCl2
Fischer-Ringe's method is used for large scale production of noble gases from air. It is modern method. Moisture free air is circulated through an iron retort containing 90 parts of CaC2and 10 parts of CaCl2(to reduce the reaction temperature from 1000 deg C to 800 deg C).