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Important Concepts in Chemistry
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Important Concepts in Chemistry
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25 Questions

1. Chlorobenzene on condensation with chloral gives
2. Kerosene oil is a mixture of hydrocarbons in which the number of carbon atoms per molecule varies from
3. Amongst the following the most basic compound is
4. Which of the following will not form hydrocarbon on decarboxylation?
5. KCN reacts readily to form a cyanide with
6. Which of the following is absorbed by HCl?
7. Phthalic anhydride is obtained by the oxidation of
8. Urea, the first organic compound was synthesized in the laboratory by
9. Which is easily oxidized?
10. The maximum number of stereoisomers possible for 3-hydroxy- 2-methyl butanoic acid is
11. Poisonous gas is
12. Carbohydrates are stored in human body as the polysaccharide
13. The centric formula is not benzene was proposed by
14. Propyne on ozonolysis forms
15. Ethylene readily undergoes the following type of reaction
16. The above test is known as
17. The main structural feature of protein is
18. Milk sugar is called
19. When a primary amine reacts with chloroform in ethanolic KOH, then the product is
20. Tetrabromoethane on heating with Zn gives
21. Cane sugar is converted into a mixture of glucose and fructose by
22. How many molecules of phenyl hydrazine are used up permolecule of glucose?
23. The most reactive hydrocarbon is
24. Haemoglobin is a chromo protein having 4 atoms of Fe in each molecule. Analysis showed 0.35% Fe hence, molecular weight of haemoglobin is
25. The maximum number of alkenes with molecular formula C4H8 is