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Organic Chemistry

Organic Chemistry for Engineering Entrance Exams

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Syrengic acid is found in

  1. wine
  2. plant cell wall
  3. mustard seeds
  4. catechu plants
  5. both (3) and (4) are correct
Question 2 Multiple Choice (Single Answer)

Indol-1 is popular for

  1. beta-blocker
  2. beta blocker and calcium channel blocker
  3. pH indicator
  4. calcium indicator
  5. both (1) and (2)
Question 3 Multiple Choice (Single Answer)

Pyrolysis oil is known as

  1. bio oil
  2. bio diesel
  3. heating oil
  4. alternative fossil fuel
  5. both (3) and (4)
Question 4 Multiple Choice (Single Answer)

The coupling of lithium dialkyl copper and alkyl halides to form an alkane is called

  1. Williamson synthesis
  2. Corey-House synthesis
  3. Frankland reaction
  4. Reformatsky reaction
  5. Duff reaction
Question 5 Multiple Choice (Single Answer)

When phenol is distilled with zinc dust, which of the following compounds is formed?

  1. Benzene
  2. Anisole
  3. Aniline
  4. Toluene
  5. Chlorobenzene
Question 6 Multiple Choice (Single Answer)

Asphalt is also known as

  1. bitumen
  2. paraffin oil
  3. vegetable oil
  4. pyrolysis oil
  5. algae fuels
Question 7 Multiple Choice (Single Answer)

Which of the following reactions prepares pivalic acid?

  1. Koch reaction
  2. Duff reaction
  3. Dakin reaction
  4. Kolbe reaction
  5. Riemer-Tiemann reaction
Question 8 Multiple Choice (Single Answer)

Which one of the following is correct about Dow process?

  1. Oxidation of toluene to benzoic acid
  2. Reduction of nitrite with bisulphite towards hydroxylamine
  3. Sodium hypochlorite is mixed with three fold excess ammonia at 5oC to give monochloramine
  4. Oxidation of toluene takes place in the presence of air to give phenol
  5. Both (2) and (3) are correct
Question 9 Multiple Choice (Single Answer)

Which of the following forms when glycerol reacts with phathalic anhydride?

  1. Bakelite
  2. Paraformaldehydes
  3. Trioxane
  4. Glyptal
  5. Carbowax
Question 10 Multiple Choice (Single Answer)

Deficiency of thiamine causes

  1. prenicious aneamia
  2. scurvy
  3. beriberi
  4. aneamia
  5. cheilosis
Question 11 Multiple Choice (Single Answer)

Pyruvic acid is reduced in the presence of Na-Hg/H2O to form

  1. lactic acid
  2. crotonic acid
  3. tartronic acid
  4. citric acid
  5. aconitic acid
Question 12 Multiple Choice (Single Answer)

Meerwein-Ponndrof reduction is found in which of the following?

  1. Aldehydes or ketones are reduced in presence of amalgamate zinc/hydrochloric acid to form alkane.
  2. Aldehydes or ketones are reduced in presence of aluminium isopropoxide to form alcohol.
  3. Aldehydes or ketones are reduced in the presence of hydrazine to alkane.
  4. Cynide reduced in presence of stannous chloride with hydrochloric acid followed by hydrolysis yield aldehydes.
  5. Both (3) and (4) are correct
Question 13 Multiple Choice (Single Answer)

Valeronitrile is polymerised by

  1. metal
  2. peroxide and epoxide
  3. acid
  4. aqueous acid and base
  5. both (2) and (3)
Question 14 Multiple Choice (Single Answer)

Which of the following statements is incorrect about bioten?

  1. Bioten is helpful in maintaining steady blood sugar.
  2. Boiten is water insoluble.
  3. Boiten creates metabolism disorder.
  4. Bioten are found in cosmetics as well as in hair and skin.
  5. Bioten is cofactor responsible for carbon dioxide transfer in several carboxylase enzyme.
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