1
IIT-JEE 1994
Subjective
+3
-0
Using the VSEPR theory, identify the type of hybridization and draw the structure of OF2. What are the oxidation states of O and F?
2
IIT-JEE 1993
Subjective
+2
-0
The dipole moment of KCl is 3.336 $$\times$$ 10-29 Coulomb meters which indicates that it is a highly polar molecule. The interatomic distance between K+ and Cl- in this molecule is 2.6 $$\times$$ 10-10. Calculate the dipole moment of KCl molecule if there were opposite charges of one fundamental unit located at each nucleus. Calculate the percentage ionic character of KCl.
3
IIT-JEE 1991
Subjective
+2
-0
Arrange the following :

Increasing strength of hydrogen bonding (X-H-X):

O, S, F, Cl, N
4
IIT-JEE 1988
Subjective
+2
-0
Arrange the following :

N2, O2, F2, Cl2 in increasing order of bond dissociation energy
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