structure of organic compound

What is the hybridization involved in CH₃CH₂CH₂CN?

• a) sp, sp³

• b) sp², sp³

• c) sp

• d) sp, sp²

How many σ and π bonds are present in the following molecule?
N≡C-CH-C≡N

• a) σ = 5; π = 4

• b) σ = 6; π = 3

• c) σ = 4; π = 2

• d) σ = 3; π = 5

Arrange the following in the increasing order of electronegativity.

• a) sp² < sp < sp³

• b) sp³ < sp² < sp

• c) sp < sp² < sp³

• d) sp³ < sp < sp²

Which of the following represents the given mode of hybridisation sp²-sp²-sp-sp from left to right?

• (a) CH₂ = CH-C ≡ N

• (b) HC ≡ C – C = CH

• (c) H₂C = C = C = CH₂

• None of these

How many σandπ bonds are there in the molecule of tetracyanoethene ?
(NC)₂C=C(CN)₂

• 
  9σ,7π

• 
  5σ,9π

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  5σ,8π

• 9σ,9π

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Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with an asterisk is most electronegative?

• CH3 – CH2 – *CH2 –CH3

• CH3 – *CH = CH – CH3

• CH3 – CH2 – C ≡ *CH

• CH3 – CH2 – CH = *CH2

Which of the following is a correct representation of condensed formula for structure given in diagram

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Consider the following methane molecule on paper

Here, X and Y are respectively

• (a)dashed wedge,solid wedge

• (b)solid wedge,dashed wedge

• (c)both are bonds in the plane of paper

• (d)both are dashed wedge

Which of the following is a homocyclic alicyclic compound?

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