1
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
Among the following species, identity the isostructural pairs NF3, $$NO_3^-$$, BF3, H3O+ , HN3
A
[NF3, $$NO_3^-$$] and [BF3, H3O+]
B
[NF3, HN3] and [$$NO_3^-$$, BF3]
C
[NF3, H3O+] and [$$NO_3^-$$, BF3]
D
[NF3, H3O+] and [HN3, BF3]
2
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The number and type of bonds between two carbon atoms in CaC2 are:
A
one sigma ($$\sigma$$) and one pi ($$\pi$$) bonds
B
one sigma ($$\sigma$$) and two pi ($$\pi$$) bonds
C
one sigma ($$\sigma$$) and one and a half pi ($$\pi$$) bonds
D
one sigma ($$\sigma$$) bond
3
IIT-JEE 1996
True or False
+1
-0
A mixture of ideal gas is cooled upto liquid helium temperature (4.22K) to form an ideal solution
A
TRUE
B
FALSE
4
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order
K2CO3 (A), MgCO3 (B), CaCO3 (C), BeCO3 (D)
A
A < B < C < D
B
D < B < C < A
C
D < B < A < C
D
B < D < C < A
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