Fsc part 2 online preparation for chemistry chapter 7 (Fundamental Principles of Organic Chemistry)

Online Short Questions For Chapter 7 "12th Class Chemistry Chapter 7 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 7 Short Questions Preparation

Question # 1

What id Atomic Hybridization?

  • Ans 1: Mixing up of atomic orbitals to form new;y generated orbitals of same energy and same shape is called atomic orbital hybridization.For example : in carbon electron from the 2s orbital is promoted to an empty 2p2orbital giving electron configuration.
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Prepare Complete Set Wise Questions For Chapter 7 "12th Class Chemistry Chapter 7 Short Questions Preparation "

12th Class Chemistry Chapter 7 Short Questions Preparation - Set 1

Question # 1

What id Atomic Hybridization?

  • Ans 1: Mixing up of atomic orbitals to form new;y generated orbitals of same energy and same shape is called atomic orbital hybridization.For example : in carbon electron from the 2s orbital is promoted to an empty 2p2orbital giving electron configuration.
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12th Class Chemistry Chapter 7 Short Questions Preparation - Set 2

Question # 1

Branched hydrocarbons are better as a fuel as compared to straight chain?

  • Ans 1: Straight chain hydrocarbons have low octane numbers and make poor fuels.
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12th Class Chemistry Chapter 7 Short Questions Preparation - Set 3

Question # 1

Octane number of gasoline is improved by reforming.

  • Ans 1: The octane number of gasoline is improved by a process called reforming.It involves the conversion of straight hydrocarbons into branched chain b heating in the absence of oxygen and in the presence of catalyst.
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12th Class Chemistry Chapter 7 Short Questions Preparation - Set 4

Question # 1

Cis-trans isomerism is a result of restricted rotation of carbon-carbon double bond.Discuss?

  • Ans 1: Two carbon atom joined by a single bond are capable of free rotation about it .However when two carbons atom are joined by a double bond,they can not rotate freely ,As a result the relative positions of the various groups attached to these carbons atoms get fixed and give rise to cis trance isomers.
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12th Class Chemistry Chapter 7 Preparation

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