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 Multiple Choice QuestionsShort Answer Type

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211.

An organic compound 'A' on treatment with ammoniacal silver nitrate gives metallic silver and produces a yellow crystalline precipitate of molecular formula C9H10N4O4 on treatment with Brady's reagent. Give the structure of the organic compound 'A'.


 Multiple Choice QuestionsMultiple Choice Questions

212.

Which one of the following gives, on ozonolysis, both aldehydes and ketones?

  • Me2C = CHMe

  • Me2C = CMe2

  • MeCH2 - C(Me) = CMe2

  • MeCH(Me) - CH = CHMe


213.

Distillation of acetone with concentrated sulphuric acid gives

  • diacetone alcohol

  • mesityl oxide

  • mesitylene 

  • propene-2-ol


214.

RCH2CH2OH can be converted to RCH2CH2COOH by the following sequence of steps

  • PBr3, KCN , H3O+

  • PBr3, KCN, H2/P+

  • KCN, H3O+

  • HCN, PBr3, H3O+


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215.

Formation of cyanohydrin from a ketone is an example of

  • electrophilic addition

  • nucleophilic substitution

  • nucleophilic addition

  • electrophilic substitution


216.

Which one of the following pairs gives effervescence with aqueous NaHCO3?

I. CH3COCl

II. CH3COCH3

III. CH3COOCH3

IV. CH3COOCOCH3

  • I and III

  • I and IV

  • II and III

  • I and III


217.

When calcium acetate is distilled, it will produce which of the following compound ?

  • CH3COOH

  • CH3CHO

  • CH3COCH3

  • All of these


218.

Which of the following converts carbonyl compounds into hydrocarbons ?

  • H2/ Pt

  • LiAlH4

  • K2Cr2O7 / H2SO4

  • Zn-Hg / HCl


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219.

Acetonitriles on hydrolysis produce which of the following?

  • Amine

  • Acid

  • Amines

  • Carbonyl compounds


220.

Saturated fatty acids are represented by which of the formula?

  • CnHnO2

  • CnH3nO2

  • CnH2n+1

  • CnH2nO2


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