Hydrogen and its compoundHard
Question
Ammonium dichromate is some fireworks. The green coloured powder blown in the air is :
Options
A.CrO3
B.Cr2O3
C.Cr
D.CrO(O2)
Solution
Ammonium dichromate decomposes as follows when ignited.
(NH4)2Cr2O7
Cr2O3 + N2 + 4H2O
green powder (Chromium sesquioxide)
(NH4)2Cr2O7
Cr2O3 + N2 + 4H2Ogreen powder (Chromium sesquioxide)
Create a free account to view solution
View Solution FreeMore Hydrogen and its compound Questions
Addition of high proportions of manganese makes steel useful in making rails or raolroads, because manganese :...Which of the following compounds is expected to be coloured ?...The boiling points of four saturated hydrocarbons are given below. Which boiling pointsuggests maximum number of carbon ...Amongst the following, identif the species with an atom in + 6 oxidation state :...C6H6 + C3Cl C6H6CH3 + HCl The above reaction is :Benzene Methyl chloride Toluene...