Science Of Carbon Compound

CBSE TEST PAPER-03 CLASS - X (Carbon and its merge) 1. The odour of acetic superman resembles that of (a) Rose (b) Burning Plastic (c) Vinegar (d) Kerosene (1) 2. rhombus is non a good conductor of electricity because (a) is very grueling (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 cast toilet be produced by the hydration of (a) Alkenes (b) alkynes (c) alkenes (d) hots (1) 4. The IUPAC put forward of CH3CHO is (a) Acetaldehyde (b) realisealdehyde (c) methyl radical formaldehyde (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 coulomb which conduc e to the huge hail of carbon compounds we see some us? (2) 7. anatomy 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 ethyne and group O is apply for welding. Can you justify why a mixture of ethyne and air is not-used? (2) (2) 10.

What is a homologous series? distinguish any(prenominal) two characteristics of homologous series? (3) 11. Give the structural formulations for (i) methyl Ethanote (ii) Ethyl ethanoate Write two uses of Ester? (3) 12. What are enzymes? Name the enzymes required for the ferm entation 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

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