Organic Chemistry

Question 1

Using Acidified KMnO4,
1. Primary Alkanol oxidizes into..?
2. Secondary Alkanol oxidizes into..?

In the process of dehydration,
3. Alkanones are reduced to..?
4. Aldehydes are reduced to..?

Answer 1

1. Aldehydes // Alkanals
2. Alkanones // Ketones
3. Secondary Alkanol
4. Primary Alkanol

Question 2

When distinguishing Aldehydes & Ketones, what is used.? And what occurs.?

Answer 2

Tollen Reagent or Fehling Solution is used

Only Aldehyde gives a positive reaction to the tests

Question 3

Ozonolysis Of Alkenes gives.?

Answer 3

Alkanals

Question 4

1. The ore for mercury is ……………………………..
2. The sugar is stored in animals as
3. One of the following is not a reducing sugar
   (A) Glucose (B) Maltose (c) Lactose (D) Sucrose
4. Which of the following is the structure of meta-cresol?
   (A) (B) (C) (D)
5. Which of the following illustrates sp hybridization?
   (A) methane (B) ethane (C) ethane (D) ethyne.
6. In sp hybridization, how many equivalent hybrid orbitals are formed?
7. Which of the following compounds will decolourize bromine water?
   (A)Butane (B) Benzene (C) Ethanol (D) Ethene
8. The product of the reaction of an alkene with dilute alkaline KMnO4 is
9. ……..is excreted in excess quantity in the persons suffering from pentosuria
10. The IUPAC name of glycerol is _______________.
11. Which of the following is the simplest amino acid?
    (A) glycine (B) lysine (C) serine (D) purine
12. How many sigma () and pi () bonds are in ethane?
13. Which of the following is not a carbonyl compound?
    (A) propanone (B) butanal (C) glucose(D) ethylbromide
14. Which of the following is an ester?
    (A) nitrobenzene (B) tetrachloromethane(C) ethyl ethanoate(D) ethylamine
15. Gringnard reagents is also called ___________.

Answer 4

1. Cinnabar
2. Glycogen
3. Sucrose
5. Ethyne
6. 2
7. Ethene
8. Carboxylic acid
9. L-xylulose
10. Propan-1,2,3-triol
11. Glycine
12. 5 and 1
13. Ethylbromide
14. Ethyl ethanoate
15. Akyl magnesium halides