Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 29

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NEET

IMPORTANT

Earn 100

Assertion: ${SO}_{2}$ is more covalent than ${SeO}_{2}$

Reason: Covalent radius of $Se$ is more than $S$

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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 30

Find out the number of lone pairs and geometry in the given species.

${ClF}_{2}^{-}, {ClF}_{4}^{-}$

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 31

Which of the following has the lowest dipole moment?

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 4>Q 32

The number of

σ

and

π

bonds present in pent-

1

-ene-

4

-yne is:

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

The number of

σ

-and

π

-bonds present in pent-

1

-en-

4

-yne is:

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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:

HARD

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IMPORTANT

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?