1
JEE Main 2018 (Online) 16th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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
Out of Syllabus
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
Out of Syllabus
Change Language
When metal ‘M’ is treated with NaOH, a white gelatinous precipitate ‘X’ is obtained, which is soluble in excess of NaOH. Compound ‘X’ when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal ‘M’ is
A
Fe
B
Zn
C
Ca
D
Al
4
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
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
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