JEE Main 2018 (Online) 15th April Evening Slot | Chemical Bonding & Molecular Structure Question 198 | Chemistry

Which of the following best describes the diagram below of a molecular orbital ?
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 201 English

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 201 English

A non-bonding orbital

An antibonding $$\sigma $$ orbital

A bonding $$\pi $$ orbital

An antibonding $$\pi $$ orbital

JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

-1

In the molecular orbital diagram for the molecular ion, N₂⁺, the number of electrons in the $$\sigma $$_{2p_z} molecular orbital is :

JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

-1

JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 202 English

In hydrogen azide (above) the bond orders of bond (I) and (II) are :

$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & < 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, > 2 \cr} $$

$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & > 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, < 2 \cr} $$

$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & > 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, > 2 \cr} $$

$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & < 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, < 2 \cr} $$

JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

-1

The decreasing order of bond angles in BF₃, NH₃, PF₃ and I₃^- is :

I₃^- > NH₃ > PF₃ > BF₃

I₃^- > BF₃ > NH₃ > PF₃

BF₃ > I₃^- > PF₃ > NH₃

BF₃ > NH₃ > PF₃ > I₃^-

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