1
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
XeF6 on partial hydrolysis with water produces a compound ‘X’. The same compound ‘X’ is formed when XeF6 reacts with silica. The compound ‘X’ is :
A
XeF2
B
XeF4
C
XeOF4
D
XeO3
2
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The number of P−OH bonds and the oxidation state of phosphorus atom in pyrophosphoric acid (H4P2O7) respectively are :
A
four and four
B
five and four
C
five and five
D
four and five
3
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The correct sequence of decreasing number of $$\pi $$-bonds in the structures of H2SO3, H2SO4 and H2S2O7 is :
A
H2SO3 > H2SO4 > H2S2O7
B
H2SO4 > H2S2O7 > H2SO3
C
H2S2O7 > H2SO4 > H2SO3
D
H2S2O7 > H2SO3 > H2SO4
4
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A metal ‘M’ reacts with nitrogen gas to afford ‘M3N’. ‘M3N’ on heating at high temperature gives back ‘M’ and on reaction with water produces a gas ‘B’. Gas ‘B’ reacts with aqueous solution of CuSO4 to form a deep blue compound. ‘M’ and ‘B’ respectively are :
A
Li and NH3
B
Ba and N2
C
Na and NH3
D
Al and N2
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