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Chemistry
Which one of the following pairs is obtained on heating ammonium dichromate?
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Q. Which one of the following pairs is obtained on heating ammonium dichromate?
WBJEE
WBJEE 2008
The p-Block Elements - Part2
A
$N_{2}$ and $H_{2}O$
90%
B
$N_{2}O$ and $H_{2}O$
10%
C
$NO_{2}$ and $H_{2}O$
0%
D
NO and $NO_{2}$
0%
Solution:
Ammonium dichromate on heating gives nitrogen, chromic oxide and water.
$(NH_{4})_{2}Cr_{2}O_{7}\xrightarrow{\Delta }N_{2}+Cr_{2}O_{3}+4H_{2}O$