1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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
2
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
The compound that does not produce nitrogen gas by the thermal decomposition is :
3
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
In KO2, the nature of oxygen species and the oxydation state of oxygen atom are, respectively :
4
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The number of P $$-$$ O bonds in P4O6 is :
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