IIT-JEE 2005 Screening | Chemical Bonding & Molecular Structure Question 23 | Chemistry

IIT-JEE 2005 Screening

MCQ (Single Correct Answer)

-0.5

Which species has the maximum number of lone pair of electrons on the central atom?

[ClO₃]^-

XeF₄

SF₄

[I₃]^-

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)

-0.5

According to molecular orbital theory which of the following statement about the magnetic character and bond order is correct regarding $$O_2^+$$

Paramagnetic and Bond order < O₂

Paramagnetic and Bond order > O₂

Diamagnetic and Bond order < O₂

Diamagnetic and Bond order > O₂

IIT-JEE 2002 Screening

MCQ (Single Correct Answer)

-0.25

Which of the following molecular species has unpaired electrons(s)?

N₂

F₂

$$O_2^-$$

$$O_2^{2-}$$

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.5

The common features among the species CN^-, CO and NO⁺ are :

bond order three and isoelectronic

bond order three and weak field ligands

bond order two and $$\pi$$-acceptors

isoelectronic and weak field ligands

JEE Advanced Subjects