The intramolecular hydrogen bond is present in

Important Questions on Chemical Bonding and Molecular Structure

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2020>Q 1

The formal charge on central oxygen atom in ozone is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2019>Q 2

Which of the following pair contains $2$ lone pair of electrons on the central atom?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2019>Q 3

The number of $\pi$ -bonds and $\sigma$ -bonds present in naphthalene are respectively

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2019>Q 4

The compound having longest $\mathrm{C}-\mathrm{Cl}$ bond is:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2020>Q 5

The percentage of s-character in the hybrid orbitals of nitrogen in ${\mathrm{NO}}_2^{+}, {\mathrm{NO}}_3^{-}$ and ${\mathrm{NH}}_4^{+}$ respectively are:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2018>Q 6

The state of hybrid orbitals of carbon in ${\mathrm{CO}}_2, {\mathrm{CH}}_4$ and ${\mathrm{CO}}_3^{2-}$ respectively is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2020>Q 7

Bond angle in ${\mathrm{PH}}_4^{+}$ is more than that of ${\mathrm{PH}}_3$. This is because

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>KCET (UG) 2020>Q 8

Incorrectly matched pair is :