1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Which of the following statement is correct for oleum?

A
It is prepared by adsorption of $$\mathrm{SO}_3$$ in conc. $$\mathrm{H}_2 \mathrm{SO}_4$$
B
It contains $$\mathrm{O}-\mathrm{O}$$ groups
C
It has six $$\mathrm{OH}$$ groups
D
None of the above
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Which of the following inert gas participate in chemical reaction?

A
Xe
B
He
C
Ne
D
None of these
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?

A
HF
B
HCl
C
HBr
D
HI
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Which of the following oxyacid does not contain $$\mathrm{P}-\mathrm{O}-\mathrm{P}$$ bond?

A
Isohypophosphoric acid
B
Pyrophosphorus acid
C
Diphosphoric acid
D
Hypophosphoric acid
AIIMS Subjects
EXAM MAP