1
WB JEE 2026
MCQ (Single Correct Answer)
+1
-0.25
Which of the following is the structure of pyrosulphuric acid?
A
B
C
D
2
WB JEE 2026
MCQ (Single Correct Answer)
+1
-0.25
Borazole is prepared by heating the product isolated by reacting
3
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
The number of lone pair of electrons and the hybridization of Xenon ( Xe ) in $\mathrm{XeOF}_2$ are
4
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
The number of terminal and bridging hydrogens in $\mathrm{B}_2 \mathrm{H}_6$ are respectively
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