1
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
2
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
$${e^4}t_2^2$$
3
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
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The most suitable reagent for the following conversion, is : NEET 2019 Chemistry - Hydrocarbons Question 15 English
A
Zn / HCl
B
Hg2+ / H+ , H2O
C
Na / liquid NH3
D
H2, Pd/C, quinoline