Book Store

Download books and chapters from book store.
Currently only available for.
CBSE

Subject

Chemistry
zigya logo

NEET Chemistry : Aldehydes, Ketones and Carboxylic Acids

Multiple Choice Questions

211.

Saturated fatty acids are represented by which of the formula?

  • CnHnO2

  • CnH3nO2

  • CnH2n+1

  • CnH2nO2



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.

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

  • CH3COOH

  • CH3CHO

  • CH3COCH3

  • All of these



214.

Formation of cyanohydrin from a ketone is an example of

  • electrophilic addition

  • nucleophilic substitution

  • nucleophilic addition

  • electrophilic substitution



215.

Acetonitriles on hydrolysis produce which of the following?

  • Amine

  • Acid

  • Amines

  • Carbonyl compounds



216.

Distillation of acetone with concentrated sulphuric acid gives

  • diacetone alcohol

  • mesityl oxide

  • mesitylene 

  • propene-2-ol



217.

Which of the following converts carbonyl compounds into hydrocarbons ?

  • H2/ Pt

  • LiAlH4

  • K2Cr2O7 / H2SO4

  • Zn-Hg / HCl



218.

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



219.

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

  • PBr3, KCN , H3O+

  • PBr3, KCN, H2/P+

  • KCN, H3O+

  • HCN, PBr3, H3O+



Short Answer Type

220.

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'.



1.png
curious learner
Do a good deed today
Refer a friend to Zigya