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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

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

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प्रश्न

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

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उत्तर

In the acetylene molecule, there are five covalent bonds.

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पाठ 5: Chemical Bonding - Exercises [पृष्ठ ७९]

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

संबंधित प्रश्‍न

Select and write the most appropriate alternatives from the given choices.

The angle between the two covalent bonds is minimum in:


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?


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.


In the case of bond formation in Acetylene molecule: Name the type of Hybridization.


Define Bond Enthalpy


Predict the shape and bond angles in the following molecule:

CF4


Predict the shape and bond angles in the following molecule:

HCN


Energy required to dissociate 6 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25°C. Bond energy of H-H bond will be ____________.


The CORRECT order of C-X bond polarity is ____________.


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?


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:


The bond angle is minimum in ____________.


Identify the CORRECT option.


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)


What is the bond order of Be2 molecule?


Consider the ions/molecule:

\[\ce{O^+_2, O_2, O^-_2, O^{2-}_2}\]

For increasing bond order the correct option is:


What is the bona order of O2 molecules?


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