1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Diborane (B2H6) reacts with O2 and H2O independently, then products formed are
A
B2O3 and HBO2
B
B2O3 and H3BO3
C
HBO2 and H3BO3
D
HBO2 and HBO3
2
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The element that does NOT show catenation is -
A
Ge
B
Si
C
Sn
D
Pb
3
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Iodine reacts with concentrated HNO3 to yield Y along with other products. The oxidation state of iodine in Y, is -
A
3
B
1
C
7
D
5
4
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The chloride that CANNOT get hydrolysed is :
A
SnCl4
B
SiCl4
C
PbCl4
D
CCl4
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