IIT-JEE 1997 | Chemical Bonding & Molecular Structure Question 47 | Chemistry

IIT-JEE 1997

MCQ (Single Correct Answer)

-0.25

The critical temperature of water is higher than that of O₂ because the H₂O molecule has

fewer electrons than O₂

two covalent bonds

V-shape

dipole moment

IIT-JEE 1996

MCQ (Single Correct Answer)

-0.25

Among the following species, identity the isostructural pairs NF₃, $$NO_3^-$$, BF₃, H₃O⁺ , HN₃

[NF₃, $$NO_3^-$$] and [BF₃, H₃O⁺]

[NF₃, HN₃] and [$$NO_3^-$$, BF₃]

[NF₃, H₃O⁺] and [$$NO_3^-$$, BF₃]

[NF₃, H₃O⁺] and [HN₃, BF₃]

IIT-JEE 1996

MCQ (Single Correct Answer)

-0.25

The number and type of bonds between two carbon atoms in CaC₂ are:

one sigma ($$\sigma$$) and one pi ($$\pi$$) bonds

one sigma ($$\sigma$$) and two pi ($$\pi$$) bonds

one sigma ($$\sigma$$) and one and a half pi ($$\pi$$) bonds

one sigma ($$\sigma$$) bond

IIT-JEE 1995 Screening

MCQ (Single Correct Answer)

-0.25

Which one is most ionic

P₂O₅

CrO₃

MnO

Mn₂O₇

JEE Advanced Subjects