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What is the nature of the bond between $B$ and $O$ in ${(C_{2} H_{5})}_{2} O B H_{3}$ ?

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Important Questions on Chemical Bonding and Molecular Structure

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Among the following molecules, the one with the largest bond angle at the central atom is

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The compound(s) with two lone pairs of electrons on the central atom is (are)

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The numbers of lone pair and bond pairs in hydrazine are, respectively:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Total number of lone pair of electrons in

{I_{3}}^{-}

ion is:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The number of co-ordination bonded water molecules associated with

{CuSO}_{4} . 5 H_{2} O

is _______

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Which of the following compounds contain(s) no covalent bond(s)?

KCl, {PH}_{3}, O_{2}, B_{2} H_{6}, H_{2} {SO}_{4}

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Maximum bond angle at nitrogen is present in which of the following?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Arrange the following compounds in increasing order of

C - O H

bond length: methanol, phenol,

p

-ethoxyphenol

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The total number of dative bonds present in all the following

CO, {NH}_{4} Cl, {Al}_{2} {Cl}_{6}, Al {(H_{2} O)}_{6}, {HNO}_{3}

and

{CO}_{2}

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The sum of the number of dative bonds present in all the given species are;

{Al}_{2} {Cl}_{6}, Al {(H_{2} O)}_{6}, CO, {NH}_{4}^{+}

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

What do you understand by a lone pair of electrons?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

What is the nature of the bond between

B

and

O

{(C_{2} H_{5})}_{2} {OBH}_{3} ?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Give a reason for the following:

Ionic compounds have a high melting point.

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The lattice energies of

NaCl, NaF, KCl

and

RbCl

follow the order

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

In ozone molecule, the formal charge on the central oxygen atom is

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The number of

π

-bonds and

σ

-bonds present in naphthalene are respectively

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

The compound having longest

C - Cl

bond is:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Draw the electron dot structure of Ammonium ion.

[N = 7, H = 1]

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Nitrogen shows maximum covalency of

4

where as other heavier elements of the group show higher covalency because.

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding

Which compound has both covalent as well as co-ordinate bonds?

What is the nature of the bond between B and O in C2H52OBH3?

Important Questions on Chemical Bonding and Molecular Structure

Learn and Prepare for any exam you want !

What is the nature of the bond between $B$ and $O$ in ${(C_{2} H_{5})}_{2} O B H_{3}$ ?