1) Ozonolysis of benzene produces a. Glycol b. Glycol c. Vicinal diol d. Both b & c
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2) What is the molecular formula of Benzenetriozonide? a. C6H6O9 b. C6H5O8 c. C6H5O9 d. C6H6O6
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3) The hydrolysis of Benzenetrizonide will yield three moles of a. Glyoxime b. Benzaldehyde c. Glycol d. Glyoxal
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4) Which of the following substance produce acetaldehyde on dry distillation? a. (CH3COO)2Ca b. (HCOO)2Ca c. both (a) and (b) d. none
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5) Which of the following will have the highest boiling point? a. methanal b. ethanal c. propanal d. hexanone
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6) Which of the following reaction is not shown by ketones? a. reaction with HCN b. reaction with NaHSO3 c. reaction with 2 4 dinitrophenyl hydrazine d. reaction with Fehling solution
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7) The carbon atom of carbonyl group is a. sp hybridized b. sp2 hybridized c. cp3 hybridized d. dsp2 hybridized
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8) Which of the following substances does not give iodoform test? a. acetaldehyde b. ethyl alcohol c. methyl alcohol d. acetone
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9) Formalin is _______ % solution of formaldehyde in water a. 10% b. 20% c. 40% d. 60%
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10) Which of the following aldehydes shows rapid reaction with sodium nitroprusside? a. formaldehyde b. accetaldehyde c. benzaldehyde d. acetone
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11) Acetone reacts with HCN to form a cyanohydrin. It is an example of a. electronphilic addition b. electrophilic substitution c. nucleophilic addition d. nucleophilic substitution
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12) Which of the following compounds will react with Tollens reagent? a. CH3-CHO b. CH3-CH-CH3 c. CH3-COOH d. CH3-CO-CH2-CH3
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13) Which of the following reactions may be assoclated with aldehyde and ketone? a. nucleophile addition b. polymerization c. oxidation d. all of the above
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14) Cannizzaros reaction is not given by a. formaldehyde b. acetaldehyde c. benzaldehyde d. trimethyl acetaldehyde
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15) Which of the following reagents will react with both aldehydes and ketones? a. Grignard reagent b. Tollens reagent c. Fehlings reagent d. Benedicts reagent
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16) Ketones are comparatively less reactive than aldehdye. It is due to a. alkyl groups are electron donating b. steric hindrance c. both (a) and (b) d. none
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17) Which of the following do not give aldol condensation reactions? a. formaldehyde b. acetaldehyde c. diemthyl ketone d. propionaldehyde
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18) Which of the following is not a use of formaldehyde? a. in silvery mirror b. in making medicine urotropine c. in making throat lozenges d. in making acetic acid
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19) Formaldehyde and lactose are combined to produce throat lozenges named as a. formamint b. lactomint c. aldomint d. formalactose
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20) Which of the following is not a use of acetaldehyde? a. formation of phenolic resins b. formation of mirror c. antiseptic inhalant d. formation of throat lozenges
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21) Formula of haloform is a. HCOX b. CX4 c. CHX3 d. CH3X
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22) Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield a. Nylon 66 b. urotropine c. Aniline formaldehyde plastic d. Bakelite
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23) Formalin consists of mixture of formaldehyde methyl alcohol and water. Percentage of water in it is a. 60% b. 50% c. 52% d. 8%
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24) Which of the following will not give addition reaction with NaHSO3 a. HCHO b. CH3CHO c. CH3-CH2-CHO d. None of the above
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25) Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide? a. carbonic acid b. ethanol c. acetic acid d. methanoic acid
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26) Aldehyde and ketone have same general formula for homologous series a. CnH2nO2n b. CnH2n c. CnH2nO d. CnH2nOn+1
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27) Oxidation of primary alcohol gives a. ketone b. Aldehyde c. Alkene then - COOH d. Ester
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28) Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _____ as promoter a. PdCl2 b. Cu2Cl2 c. CuCl2 d. PbCl2
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29) Ncleophilic addition reactions are catalysed a. Acid b. Base c. Both a and b d. None
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30) Acetaldehyele cyanohydrin on acid hydrolysis yields a. Tartaric acid b. Propanoic acid c. Lactic acid d. Valeric acid
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31) Acetal on acid hydrolysis generates a. Alcohol b. Ketone c. Both a & b d. None of the above
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32) Which one exhibits aldol condensation a. HCHO b. C6H5CHO c. Cl3CCHO d. CH3COCH3
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33) Tetrahydroborate ion is the source of a. proton b. H+ c. both a & b d. H-
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34) Which of the following is a symmetrical ketone a. 3 - hexanone b. acetone c. butanone d. 2-pentanone
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35) Dry distillation of calcium acetate results in the formation of a. formaldehyde b. acetaldehyde c. methane d. acetone
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36) In base catalyzed reaction of carbonyl compound the catalyst a. increases the nucleophilic character of reagent b. increases electrophilic character of carbonyl compound c. acidic character of reagent d. both a and b
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37) Cannizaros reaction takes place through the transfer of _______ from complex anion. a. hydrogen ion b. hydride ion c. oxide ion d. methoxide ion
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38) Iodoform test can be used to distinguish between a. ethanol and methanol b. acetaldehyde and methanal c. acetone and diethyl ketone d. all of the above
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39) The fertility of the soil is improved by a. Rotation of the crops b. Adding lime to the acid salts c. Adding manure and growing legumes d. All
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40) Which of the following is incorrect statement about nitrogen importance? a. It enhances plant growth b. It is involved in the synthesis of protein and nucleic acids c. it accelerates fruits and flowers growth d. It is involved in the chlorophyll synthesis
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41) The fertilizers which provide single nutrient from NPK are called ______ fertilizer. a. straight b. compound c. both a and b d. none of the above
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42) Which of the following is macronutrient? a. Cu b. Cl c. H d. Zn
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43) Addition of urea to the soil is _________ reaction. a. endothermic b. exothermic c. both a and b d. no heat energy is involved
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44) Which of the following is the most suitable catalyst for ammonia synthesis? a. Pt b. ZnO + Cr2O3 c. Fe in fused mixture of Al2O3 + SiQ2 + MgO d. All of the above
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45) The cooling of molten urea by air in the tower is called a. prilling b. evaporation c. condensation d. crystallization
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46) Which of the following fertilizers is not useful for paddy rice? a. urea b. DAP c. Ammonium sulphate d. Ammonium nitrate
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47) DAP (Diammonium hydrogen phosphate) contains _________ plant nutrients. a. 60% b. 65% c. 70% d. 75%
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48) Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes? a. KCI b. KNO3 c. K2SO4 d. KMnO4
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49) Calcarious material includes a. lime stone b. marble c. chalk d. all of the above
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50) Argillaceous material does not include a. vlay b. marine shells c. slate d. blast furnace slag
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