1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct structure of tribromooctaoxide is :
A
NEET 2019 Chemistry - Chemical Bonding and Molecular Structure Question 37 English Option 1
B
NEET 2019 Chemistry - Chemical Bonding and Molecular Structure Question 37 English Option 2
C
NEET 2019 Chemistry - Chemical Bonding and Molecular Structure Question 37 English Option 3
D
NEET 2019 Chemistry - Chemical Bonding and Molecular Structure Question 37 English Option 4
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following diatomic molecular species has only $$\pi $$ bonds according to Molecular Orbital Theory?
A
C2
B
Be2
C
O2
D
N2
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
In which case change in entropy is negative?
A
Sublimation of solid to gas
B
2H(g) $$ \to $$ H2(g)
C
Evaporation of water
D
Expansion of a gas at temperature
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Conjugate base for Bronsted acids H2O and HF are :
A
OH and F , respectively
B
H3O+ and H2F+ , respectively
C
OH and H2F+ , respectively
D
H3O+ and F , respectively
EXAM MAP