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In the case of bond formation in Acetylene molecule: How many covalent bonds are formed? - Chemistry

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प्रश्न

In the case of bond formation in Acetylene molecule: How many covalent bonds are formed?

एका वाक्यात उत्तर

उत्तर

In the acetylene molecule, there are five covalent bonds.

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Parameters of Covalent Bond
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पाठ 5: Chemical Bonding - Exercises [पृष्ठ ७९]

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बालभारती Chemistry [English] 11 Standard
पाठ 5 Chemical Bonding
Exercises | Q 3. (M)(a) | पृष्ठ ७९

संबंधित प्रश्‍न

In Ammonia molecule the bond angle is 107° and in water molecule it is 104°35', although in both the central atoms are sp3 hybridized Explain.


Give a reason for HF is a polar molecule


Which type of hybridization is present in the ammonia molecule?


Write the geometry and bond angle present in ammonia.


F-Be-F is a liner molecule but H-O-H is angular. Explain.


In the case of bond formation in Acetylene molecule: State number of sigma and pi bonds formed.


Define Bond Enthalpy


Using data from the Table, answer the following:

Examples C2H6 Ethane C2H4 Ethene C2H2 Ethyne
Structure

\[\begin{array}{cc} \backslash \phantom{......}/\phantom{.}\\ \ce{—C – C —}\\  /\phantom{......}\backslash\phantom{.}\end{array}\]

\[\begin{array}{cc} \backslash \phantom{......}/\\ \ce{C \text{=} C}\\  /\phantom{......}\backslash\end{array}\]

\[\ce{- C ≡ C -}\]
Type of bond between carbons single double triple
Bond length (nm) 0.154 0.134 0.120
Bond Enthalpy kJ mol-1 348 612 837
  1. What happens to the bond length when unsaturation increases?
  2. Which is the most stable compound?
  3. Indicate the relationship between bond strength and Bond enthalpy.
  4. Comment on the overall relation between Bond length, Bond Enthalpy, and Bond strength and stability.

Complete the flow chart.

Molecular Formula Structural Formula Shape/ Geometry Bond angle
BeCl2     180°
  O=C=O Linear  
C2H2      

Write the formula to calculate the bond order of molecule.


In gas phase H-O-O-H bond angle in H2O2 is ______.


What is the value of C-O-H bond angle in CH3_OH?


What is the H-S-H bond angle in H2S?


The hybridization and bond angle in BeCl2 molecule are ____________ respectively.


Consider the reactions.

\[\ce{C_{(s)} + 2H2_{(g)} -> CH4_{(g)}}\], ΔH = −x kcal

\[\ce{C_{(g)} + 4H_{(g)} -> CH4_{(g)}}\], ΔH = −x1 kcal

\[\ce{CH4_{(g)} -> CH3_{(g)} + H_{(g)}}\], ΔH = +y kcal

The average C-H bond enthalpy is:


Which of the following pairs have identical bond order?


The bond angle is minimum in ____________.


Which of the following is INCORRECTLY matched?


What is the bond order of B2 molecule?


Why is bond order of Be2 molecule zero?

(Nb = bonding electrons, Na = antibonding electrons)


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