Science Of Carbon Compound

CBSE TEST PAPER-03 CLASS - X (Carbon and its merge) 1. The odour of acetic dosage resembles that of (a) Rose (b) Burning Plastic (c) Vinegar (d) Kerosene (1) 2. adamant is non a good conductor of electricity because (a) is very laborious (b) Its structure is very compact (c) It is not soluble in water (d) It has no free electrons to conduct electric current. (1) 3. Alcohols laden toilet be produced by the hydration of (a) Alkenes (b) alkynes (c) alkenes (d) hots (1) 4. The IUPAC report of CH3CHO is (a) Acetaldehyde (b) methanal (c) methyl radical preparealdehyde (d) neutral spirits (1) 5. IUPAC name of first member of homologous serial of ketones is (a) Ethanone (b) methanone (c) Propanone (d) butanone (1) Material downloaded from http://myCBSEguide.com and http://onlineteachers.co.in Portal for CBSE Notes, runnel Papers, Sample Papers, Tips and Tricks 6. What be the properties of degree centigrade which necess itate to the huge hail of carbon compounds we see more or less us? (2) 7. be the by-line compound (a) CH3-CH2-Br (b) CH3 ? CH2 ? CH2 ? C ? CH (2) 8. 9. wherefore is conversion of fermentation alcohol into ethanoic acid an oxidation reaction? A confection of alkyne and group O is use for welding. Can you justify why a mixture of ethyne and air is not-used? (2) (2) 10.

What is a homologous series? distinguish some(prenominal) two characteristics of homologous series? (3) 11. Give the structural reflexions for (i) methyl group Ethanote (ii) Ethyl ethanoate Write two uses of Ester? (3) 12. What are enzymes? Name the enzymes required for the fermentation of sugar cane to ethanol? ! (3) 13. The formula of an ester is C3H7COOC2H5 write the formulae of the acid and alcohol from which the ester is prepared. (3) 14. An organic compound A is widely used as a preservative in pickles and has a molecular formula C2H4O2. This compound reacts with ethanol to form a sweet smelling compound B. (a) come crosswise the compound A. (b) Write the chemical equation for...If you want to lead off a full essay, order it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay