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1
JEE Main 2018 (Online) 16th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the oxides of nitrogen : N2O3, N2O4 and N2O5; the molecule(s) having nitrogen-nitrogen bond is / are :
A
Only N2O5
B
N2O3 and N2O5
C
N2O4 and N2O5
D
N2O3 and N2O4
2
JEE Main 2018 (Online) 16th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A group 13 element 'X' reacts with chlorine gas to produce a compound XCl3. XCl3 is electron deficient and easily reacts with NH3 to form Cl3X $$ \leftarrow $$ NH3 adduct ; however, XCl3 does not dimerize X is :
A
B
B
Al
C
Ga
D
In
3
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
The compound that does not produce nitrogen gas by the thermal decomposition is
A
(NH4)2SO4
B
Ba(N3)2
C
(NH4)2Cr2O7
D
NH4NO2
4
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For per gram of reactant, the maximum quantity of N2 gas is produced in which of the following thermal decomposition reactions ?
(Given : Atomic wt. - Cr = 52 u, Ba = 137 u)
A
(NH4)2Cr2O7(s) $$ \to $$ N2(g) + 4H2O(g) + Cr2O3(s)
B
2NH4NO3(s) $$ \to $$ 2 N2(g) + 4H2O(g) + O2(g)
C
Ba(N3)2(s) $$ \to $$ Ba(s) + 3N2(g)
D
2NH3(g) $$ \to $$ N2(g) + 3H2(g)
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