1
WB JEE 2022
MCQ (Single Correct Answer)
+2
-0.5
Change Language

Pick the correct statement.

A
Relative lowering of vapour pressure is independent of T.
B
Osmotic pressure always depends on the nature of solute.
C
Elevation of boiling point is independent of nature of the solvent.
D
Lowering of freezing point is proportional to the molar concentration of solute.
2
WB JEE 2022
MCQ (More than One Correct Answer)
+2
-0
Change Language

During the preparation of NH3 in Haber's process, the promoter(s) used is/are -

A
PtO2
B
Mo
C
Mix of Al2O3 and K2O
D
Fe and Mn
3
WB JEE 2022
MCQ (More than One Correct Answer)
+2
-0
Change Language

The correct statement(s) about B2H6 is /are :

A
All B atoms are sp3 hybridised.
B
It is paramagnetic.
C
It contains 3C - 4C bonding.
D
There are two types of H present.
4
WB JEE 2022
MCQ (More than One Correct Answer)
+2
-0
Change Language

Which of the following would produce enantiomeric products when reacted with methyl magnesium iodide?

A
Benzaldehyde
B
Propiophenone
C
Acetone
D
Acetaldehyde
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