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12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Creative 5 Mark Questions with Solution Part - II updated Creative Questions Question Bank Software May-13 , 2022

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12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Creative 5 Mark Questions with Solution Part - II updated Creative Questions

12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Creative 5 Mark Questions with Solution Part - II

12th Standard

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Chemistry

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25

  1. An organic compound (A) C2H6O liberates hydrogen on treatment with metallic sodium. (A) on mild oxidation gives (B) C2H4O which answers iodoform test. (B) when treated with cone. H2SO4 undergoes polymerisation to give (C) a cyclic compound. Identify (A) (B) and (C) and explain the reactions.

  2. An organic compound A of molecular formula C3H6O on reduction with LiAlH4 gives B. Compound B gives blue colour in Victor Meyer's test and also forms a chloride C with SOCl2. The chloride on treatment with alcoholic KOH gives D. Identify A, B, C and D and explain the reactions.

  3. An organic compound (A) of molecular formula C3H8O2 is obtained as by-product in the manufacture of soap. Compound (A) on heating with P2O5 gives an unsaturated compound (B) of molecular formula C3H4O. Compound (A) with well cooled mixture of Conc.H2SO4 and fuming HNO3 form compound (C) which is an explosive. Identify A, B and C and explain the rection.

  4. An organic compound (A) C6H6O gives violet colour with neutral FeCl3 solution. With NH3 in the presence of anhydrous ZnCI2, (A) gives (B) (C6H7N). (A) with dimethyl sulphate gives (C) (C7H8O). What are (A), (B) and (C)? Explain the reactions.

  5. An organic compound 'A' is a sodium salt of phenolic acid with molecular formula C7H5O3Na. 'A' on heating with soda lime gives compound 'B' of molecular formula C6H6O. 'B' gives violet colour with neutral ferric chloride. 'B' on treatment with C6H5COCI in the presence of NaOH gives an ester 'C'. Identify 'A', 'B' and 'C'. Explain the reactions.

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