1
WB JEE 2024
MCQ (Single Correct Answer)
+2
-0.5
The number(s) of $$-\mathrm{OH}$$ group(s) present in $$\mathrm{H}_3 \mathrm{PO}_3$$ and $$\mathrm{H}_3 \mathrm{PO}_4$$ is/are
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
The correct order of acidity of the following hydra acids is
3
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Cyclo [18] carbon is an allotrope of carbon with molecular formula C18. It is a ring of 18 carbon atoms, connected by single and triple bonds. The total number of triple bonds present in this cyclocarbon are
4
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Cl2O7 is the anhydride of
Questions Asked from Some P Block Elements (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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