Page 1 - Microsoft Word - Home assignment-Basic Organic Chemistry

SOME BASIC PRINCIPLES AND TECHNIQUES OF

CHEMISTRY

Q1. Arrange the following in the decreasing order of stability.
+
+
(i)CH3 , (CH3)3 , CH3CH2 , (CH3)2CH ,
+
+
-
-
-
(ii) CH3 , (CH3)3 , CH3CH2 , (CH3)2CH
-
Q2. What is the hybridisation of each carbon in (CH3)2CO?
Q3. Draw the structure of the following compounds.
(i)Pent-4-en-2-ol, (ii)2,3-Dibromo-1-phenylpentane
(iii)2-Hydroxypropane-1,2,3-tricarboxylicacid
(iv)4-Hydroxypent-3-enoicacid, (v)Hex-2-en-4-ynoicacid
Q4. Define inductive effect.

Q5. What is electromeric effect?
Q6. Define resonance effect.
Q7. What is hyperconjugation?

Q8. What type of isomerism is exhibited by
(i)CH3CH2CHO and CH3COCH3, (ii)n-Butylalcohol and diethylether
Q9. How many chain isomers of C6H14 are possible?

Q10. Give the IUPAC name of the lowest molecular mass alkane
which has a quaternary carbon.
Q11. What are free radicals? Write the stability order of primary,
secondary and tertiary free radicals.

Q12. What is metamerism? Explain with suitable example.
Q13. What is tautomerism? Explain with suitable example.
Q14. An alkane has molecular mass equal to 72. Give the possible

structural isomers.
Q15. Write the possible isomers of the formula C4H8.
Q16. What are electrophiles and nucleophiles? Give examples.
Q17. Find the number of sigma and pi bonds in Pent-2-en-4-yne.

Q18. What are carbocations? What is its shape and what is the
hybridisation of carbon atom?
Q19. Arrange the following in the decreasing order of acid strength.

(i)CH3COOH, ClCH2COOH, Cl3CCOOH, Cl2CHCOOH
(ii)CH3COOH, CH3CH2COOH, (CH3)3CCOOH, (CH3)2CHCOOH