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Grade 12IIT JEE Entrance Exam

46. Match the compound with effect of heating it.
Column- I Column- II
(A) NH4ClO4 (p) Leaves no residue on heating
(B) (NH4)2CO3 (q) Reaction occurring in redox manner
(C) (NH4)2Cr2O7 (r) Produces N2 on heating.
(D) Mg (NH4)PO4 (s) Produces NH3 on heating.

Profile image of prakhar kumar
8 Years agoGrade 12
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1 Answer

Profile image of Arun
6 Years ago
Camphor is a very common substance that is known to sublime on heating. When camphor is heated, it changes directly from the solid state into the gaseous state and does not leave any residue behind.
Reaction:
2C10​H16​O+27O2​→20CO2​+16H2​O 
Ammonium nitrate leaves no residue when heated:
NH4​NO3​→N2​O+2H2​O
Methane gas leaves no residue on heating:
CH4​+2O2​→CO2​+H2​O

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