Valence Bond Theory

IMPORTANT

Valence Bond Theory: Overview

This Topic covers sub-topics such as Valence Bond Theory, Overlapping of Atomic Orbitals, Directional properties of Bonds, Formation of Sigma and Pi bonds in Ethene and, Formation of Sigma and Pi bonds in Ethyne

Important Questions on Valence Bond Theory

HARD
IMPORTANT

Pz and dyz form which bond at x axis?

MEDIUM
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There are x number of π bonds and y number of σ bonds present in the compound given below :

Organic Syntheses Procedure

The value of x+y2 is

HARD
IMPORTANT

Among the following, which pair of orbitals are involved in sigma bond formation (assume x-axis as internuclear axis)

EASY
IMPORTANT

How many sigma σ bonds and pi π bonds are present in CH2=CH2?

MEDIUM
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Propyne molecule contains 6 sigma and _____ pi bonds.

HARD
IMPORTANT

Explain why covalent bonds are directional in nature ?

HARD
IMPORTANT

Explain the directional properties of bonds ?

EASY
IMPORTANT

Number and type of bonds between two carbon atoms in CaC2 are

MEDIUM
IMPORTANT

The number of σ and π bonds in allyl isocyanide are

HARD
IMPORTANT

When atomic orbitals overlap head-on, the bond formed is ………. Whereas when they overlap laterally, the bond formed is ……….. .

MEDIUM
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What was the primary goal of the Self-Strengthening Movement in China?

MEDIUM
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What is the GST rate applicable on the supply of goods classified under HSN code 8404?

MEDIUM
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What is the main purpose of practicing gratitude in the context of enhancing positive emotions?

MEDIUM
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Which theory of emotion suggests that our experience of emotion is our awareness of our physiological responses to emotion-arousing stimuli?

MEDIUM
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What does IGST stand for in the context of GST?

MEDIUM
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Which year was GST implemented in India?

MEDIUM
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Cognitive learning theories are primarily concerned with which of the following?

MEDIUM
IMPORTANT

What is the main focus of socio-cultural theories of perception?

MEDIUM
IMPORTANT

Which theory emphasizes the importance of social interactions in human development?

HARD
IMPORTANT

Which scheme offers incentives to service exporters based on the net foreign exchange earned?