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IGNOU BCHCT-131 Important Question & Exam Note in English Medium Download
IGNOU BCHCT-131 Important Question & Exam Notes ,Top 20 Question of BCHCT-131
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| Derive the following expression for the energy of electron in the n th orbit. |
| What is a black body? Discuss the important features of black body radiation giving a suitable diagram |
| Derive the time independent Schrodinger equation for a particle. |
| Draw the shapes of 5d orbitals. Also indicate the signs of wave functions and nodal planes in the diagram. |
| Write the electronic configurations for the following elements. (i) Cr (ii) Mo (iii) Ag Also explain your answer. |
| Write down Born-Haber cycle for CaCl2 formation. |
| Discuss the factors which affect the solubilities of ionic solids in water. |
| Write the assumptions of calculating the formal charge in a molecule. Calculate the formal charge in CH3-C=O-CH3. |
| Draw the resonance structures of HCl. Out of them which one has little importance as a resonance structure and why? |
| Calculate the percentage ionic character in HBr gas. Use following data: The dipole moment of HBr = 2.635 x 10-30 C m Bond length of HBr = 141 pm. |
| An anion will be more easily polarized, if it is large and highly negatively charged. Explain using suitable examples |
| Draw and explain the molecular orbitals formed by the linear combination of following atomic orbitals. (i) px and px orbitals (ii) py and py orbitals |
| Explain the following giving suitable examples: (i) Position isomerism (ii) Functional group isomerism (iii) Chiral centre |
| Write two more Fischer projection formulas for the following compound: |
| Write the enantiomer of the following compound and assign their configurations as R or S |
| Draw the possible conformations of cyclohexane and explain their relative stability |
| Arrange the following compounds in the increasing order of their acidities and give reason in support of your answer.3-chlorobutanoic acid, butanoic acid, 4-chlorobutanoic acid and 2-chlorobutanoic. |
| Write acid the resonance structures of propanoate ion. |
| What is pKa? How does it help in explaining the basicity of different nucleophiles? Write a nucleophilic reaction indicating the nucleophile and its conjugate acid. |
| How would you prepare cyclopentane starting from barium adipate? Write the reactions involved. |
| Explain the term pyrolysis and cracking giving suitable examples. |
| Explain Saytzeff rule giving a suitable example. |
| Explain the mechanism of Birch reduction. |
| How would you prepare 2-propanol from propene? Write the steps involved in the conversion. |
| Write the products of ozonolysis of 2-methyl-2-butene. |
| Give the mechanism of hydration of ethyne and the product form |
| Giving suitable diagrams, explain the structure of benzene. |
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IGNOU BCHCT-131 Important Question In Hindi Medium
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The Full Form of BCHCT-131 is Atomic Structure, Bonding, General Organic Chemistry and Aliphatic Hydrocarbons
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