1
IIT-JEE 1999
MCQ (Single Correct Answer)
+2
-0.5
The correct order of increasing C - O bond length of CO, $$CO_3^{2-}$$, CO2 is
A
$$CO_3^{2-}$$ < CO2 < CO
B
CO2 < $$CO_3^{2-}$$ < CO
C
CO < $$CO_3^{2-}$$ < CO2
D
CO < CO2 < $$CO_3^{2-}$$
2
IIT-JEE 1998
MCQ (Single Correct Answer)
+2
-0.5
Read the following Assertion and Reason and answer as per the options given below

Assetion: LiCl is predominantly a covalent compound

Reason : Electronegativity difference between Li and Cl is too small
A
If both assertion and reason are correct and reason is the correct explanation of the assertion
B
If both assertion and reason are correct and reason is not the correct explanation of the assertion
C
If assertion is correct but reason is incorrect
D
If assertion is incorrect but reason is correct
3
IIT-JEE 1998
MCQ (Single Correct Answer)
+2
-0.5
The geometry and the type of hybrid orbital present about the central atom in BF3 is
A
linear, sp
B
trigonal planar, sp2
C
tetrahedral, sp3
D
pyramidal, sp3
4
IIT-JEE 1997
MCQ (Single Correct Answer)
+1
-0.25
The critical temperature of water is higher than that of O2 because the H2O molecule has
A
fewer electrons than O2
B
two covalent bonds
C
V-shape
D
dipole moment
JEE Advanced Subjects