ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 9

MEDIUM

11th ICSE

IMPORTANT

Earn 100

Taking $z$ -axis as the internuclear axis, explain why $2 p_{x}$ or $2 p_{y}$ orbital does not combine with $2 s$ orbital to form molecular orbitals?

Important Questions on Chemical Bonding and Molecular Structure

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 10

List two main conditions for forming hydrogen bonds.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 11

Which of the two: ice or water has lower density?

EASY

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 12

Define bonding molecular orbital.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 13

Give correct reason for the following:

${BF}_{3}$ has a zero dipole moment although the $B - F$ bonds are polar.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 13

All carbon to oxygen bonds in

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

are equivalent. Justify your answer.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 14

Give the shape of:

{NH}_{4}^{+}

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 14

Give the shape of:

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

.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 4 - Chemical Bonding and Molecular Structure>Chapter Practice>Q 14

Give the shape of:

{BeF}_{3}^{-}