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Which statements are correct for the peroxide ion ?

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Important Questions on Chemical Bonding and Molecular Structure

EASY
WBJEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2019>Q 1
The melting points of (i) BeCl2 (ii) CaCl2and (iii)HgCl2 follows the order
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WBJEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2019>Q 2

The molecule/molecules that has/have delocalised lone pair(s) of electrons is/are

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IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2019>Q 3
The H-N-H angle in ammonia is 107.6°, while the H-P-H angle in phosphine is 93.5°.Relative to phosphine, the p -character of the lone-pair on ammonia is expected to be
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WBJEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2018>Q 4
Which of the following has the strongest H-bond ?
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2020>Q 5
Bond order of He2 , He2+ and He22+ are respectively
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2020>Q 6
A homonuclear diatomic gas molecule shows 2-electron magnetic moment. The one-electron and two-electron reduced species obtained from above gas molecule can act as both oxidising and reducing agents. When the gas molecule is one-electron oxidised the bond length decreases compared to the neutral molecule. The gas molecule is
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WBJEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2019>Q 7
Which of these species will have non-zero magnetic moment?
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WBJEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Bonding and Molecular Structure>WBJEE 2018>Q 8
Which statements are correct for the peroxide ion ?