Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 33

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The number of $σ$ -and $π$ -bonds present in pent- $1$ -en- $4$ -yne 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 34

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

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 35

Among

{CaH}_{2}, {BeH}_{2}, {BaH}_{2},

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, {CO}_{3}^{2 -}

and

{CO}_{2}

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.