Doubtly : Engineering - Notes, Viva, Questions, and Answers

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Predict the shape and bond angles in the following molecules: a. CF4 b. NF3 c. HCN d. H2 S

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Define : a. Bond Enthalpy b. Bond Length

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In case of bond formation in Acetylene molecule : a. How many covalend bonds are formed ?

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BF3 molecule is planar but NH3 pyramidal. Explain

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

asked Oct 18, 2021 in Chapter 5: Chemical Bonding by Doubtly (98.9k points)

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Identify the type of orbital overlap present in a. H2 b. F2 c. H-F molecule. Explain diagramatically

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Which type of hybridization is present in ammonia molecule?

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Give reasons for: a. Sigma (σ)bond is stronger than Pi (π)bond. b. HF is a polar molecule

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In Ammonia molecule the bond angle is 1070 and in water molecule it is

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Explain geometry of methane molecule on the basis of Hybridisation

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Give reasons for need of Hybridisation

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Explain in brief with one example: a. Ionic bond b. covalend bond c. co-ordinate bond

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State octel rule. Explain its inadequecies with respect to

answered Oct 18, 2021 in Chapter 5: Chemical Bonding by Doubtly (98.9k points)

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Display electron distribution around the oxygen atom in water molecule and state shape of the molecule, also write H-O-H bond angle.

answered Oct 18, 2021 in Chapter 5: Chemical Bonding by Doubtly (98.9k points)

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Distinguish between sigma and pi bond

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Draw Draw orbital diagrams of a. Fluorine molecule b. Hydrogen fluoxide molecule

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Draw Lewis electron dot structures of a. HF b. C2 H6 c. C2 H4 d. CF3 Cl e. SO2

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Draw Diagram for bonding in ethene with sp2 Hybridisation.

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Draw Lewis dot diagrams for the folowing a. Hydrogen (H2 ) b. Water (H2 O)

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Select and write the most appropriate alternatives from the given choices. A. Which molecule is linear?

answered Oct 18, 2021 in Chapter 5: Chemical Bonding by Doubtly (98.9k points)

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