Among the following species, the diamagnetic molecule is:

Important Questions on Chemical Bonding and Molecular Structure

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2019 Shift 2>Q 13

$\mathrm{H}\mathrm{F}$ has highest boiling point among hydrogen halides, because it has:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2019 Shift 1>Q 14

Among the following, the molecule expected to be stabilized by anion formation is:
${\mathrm{C}}_2,\mathrm{ }{\mathrm{O}}_2,\mathrm{ }\mathrm{N}\mathrm{O},\mathrm{ }{\mathrm{F}}_2$

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2017>Q 15

The group having triangular planar structure is:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2017>Q 16

The increasing order of the boiling points for the following compounds is:

$\left(\mathrm{I}\right)$${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$      $\left(\mathrm{II}\right)$${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}$    $\left(\mathrm{III}\right)$${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{CH}}_3$   $\left(\mathrm{IV}\right)$ ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{OCH}}_3$

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2016>Q 17

The group of molecules having identical shape is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2014>Q 18

The number and type of bonds in ${\mathrm{C}}_2^{2-}$ ion in ${\mathrm{CaC}}_2$ are:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 9th April 2014>Q 19

Which of the following has unpaired electron(s)?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 8th January 2020 Shift 2>Q 20

Among the compounds $\mathrm{A}$ and $\mathrm{B}$ with molecular formula ${\mathrm{C}}_9{\mathrm{H}}_{18}{\mathrm{O}}_3,$ $\mathrm{A}$ is having higher boiling point than $\mathrm{B}.$ The possible structures of $\mathrm{A}$ and $\mathrm{B}$ are: