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The correct order of increasing thermal stability of K2CO3, MgCO3, CaCO3 and BeCO3 is

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Important Questions on Chemical Bonding and Molecular Structure

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 35
Among CaH2,BeH2,BaH2, the order of ionic character is ?
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 36
The correct order of C-O bond length among CO,CO32- and CO2 is: 
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 37
In which of the following pairs, the two species are isostructural?   
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 38
The correct order of increasing bond angles in the following triatomic species is:
 
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 39
Four diatomic species are listed below in different sequences. Which of these presents the correct order of their increasing bond order? 
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 40
According to MO theory which of the following lists rank the nitrogen species in terms of increasing bond order? 
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 41
In the case of alkali metals, the covalent character decreases in the order.
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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 42
In which of the following molecules/ions BF3, NO2-, NH2- and H2O, the central atom is sp2 hybridised?