1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Identify the incorrect statement among the following :
A
Ozone reacts with SO2 to give SO3
B
Silicon reacts with NaOH(aq) in the presence of air to give Na2SiO3 and H2O
C
Cl2 reacts with excess of NH3 to give N2 and HCl
D
Br2 reacts with hot and strong NaOH solution to give NaBr, NaBrO4 and H2O
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Regular use of which of the following fertilizer increases the acidity of soil?
A
Potassium nitrate
B
Urea
C
Superphosphate of lime
D
Ammonium sulphate
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Identify the incorrect statement among the following :
A
d-Block elements show irregular and erratic chemical properties among themselves
B
La and Lu have partially filled d orbitals and no other partially filled orbitals
C
The chemistry of various lanthanoids is very similar
D
4f and 5f orbitals are equally shielded
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because :
A
the 5f orbitals are more buried than the 4f orbitals
B
there is a similarity between 4f and 5f orbitals in their angular part of the wave function
C
the actinoids are more reactive than the lanthanoids
D
the 5f orbitals extend further from the nucleus than the 4f orbitals
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12