1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the incorrect statement related to PCl5 from the following :
A
Axial P–Cl bonds are longer than equatorial P–Cl bonds
B
PCl5 molecule is non-reactive
C
Three equatorial P–Cl bonds make an angle of 120º with each other
D
Two axial P–Cl bonds make an angle of 180º with each other
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The manganate and permanganate ions are tetrahedral due to :
A
The $$\pi $$-bonding involves overlap of p-orbitals of oxygen with p-orbtials of manganese
B
The $$\pi $$-bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese
C
The $$\pi $$-bonding involves overlap of p-orbitals of oxygen with d-orbitals of manganese
D
There is no $$\pi $$-bonding
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?
A
$$t_{2g}^4e_g^2$$
B
$$t_{2g}^6e_g^0$$
C
$${e^3}t_2^3$$
D
$${e^4}t_2^2$$
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
pH of a saturated solution of Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is :
A
0.125 × 10–15
B
0.5 × 10–10
C
0.5 × 10–15
D
0.25 × 10–10