1
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
In polythionic acid, H2SxO6 (x = 3 to 5) the oxidation state(s) of sulphur is/are :
A
+ 5 only
B
+ 6 only
C
+ 3 and + 5 only
D
0 and + 5 only
2
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of PCl5 is :
A
0
B
2
C
1
D
3
3
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Chalcogen group elements are :
A
Se, Tb and Pu.
B
Se, Te and Po.
C
S, Te and Pm.
D
O, Ti and Po.
4
JEE Main 2021 (Online) 26th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The incorrect statement is :
A
Cl2 is more reactive than ClF.
B
F2 is more reactive than ClF.
C
On hydrolysis ClF forms HOCl and HF.
D
F2 is a stronger oxidizing agent than Cl2 in aqueous solution.
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