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12th Chapter

12th Class Chemistry Chapter 12 Test

Here you can prepare 12th Class Chemistry Chapter 12 Aldehydes and Ketones Test. Click the button for 100% free full practice test.

Second Year Chemistry Chapter 12 Online MCQ Test for 2nd Year Chemistry Chapter 12 Aldehydes and Ketones Preparation

This online test contains MCQs about following topics:.

- Introduction - Nomenclature of Aldehydes - Preparation of Aldehydes and Ketones - Reactivity of Carbonyl Group - Reactions of Carbonyl Group - Identification of Carbonyl Compounds - Uses of Aldehyde

FSC Part 2 Chemistry Ch 12 Test
ic

Second Year Chemistry Chapter 12 Online MCQ Test for 2nd Year Chemistry Chapter 12 Aldehydes and Ketones Preparation

Sr. # Questions Answers Choice
1 Which of the following compounds will not give Iodoform test on treatment with I<sub>2</sub>/ NaOH
  • A. Acetaldehyde
  • B. Acetone
  • C. Butanone
  • D. 3-Pentanone
2 Formation of cyanohydrin from an aldehyde in an example of.
  • A. Nucleophilic substitution
  • B. Nucleophilic addition
  • C. Electrophilic addition
  • D. Electrophilic substitution
3 Formalin is
  • A. 10% solution of formaldehyde in water
  • B. 20% solution of formaldehyde in water
  • C. 40% solution of formaldehyde in water
  • D. 60% solution of formaldehyde in water
4 Which reagent will react with both aldehyde and ketones
  • A. Grignard reagent
  • B. Tollen's reagent
  • C. Fehling's reagent
  • D. Benedict's reagent
5 Paraldehyde is used as a
  • A. Medicine
  • B. Poison
  • C. Polymer
  • D. Dye
6 On heating aldehydes with Fehling's solution we get a precipitate whose colour is
  • A. Pink
  • B. Black
  • C. Yellow
  • D. Brick red
7 The carbon atom of carbonyl group is hybridized
  • A. Sp
  • B. Sp<sup>2</sup>
  • C. Sp<sup>3</sup>
  • D. dsp<sup>2</sup>
8 Common names of aldehydes are derived from the common names of.
  • A. Alcohol
  • B. Ketones
  • C. Carboxylic acids
  • D. Alkenes
9 What product is formed by the dry distillation of calcium acetate.
  • A. CH3CH2COOH
  • B. CH3COOH
  • C. CH3COCH3
  • D. CH3CH2CHO
10 Acetaldehyde reacts usually with
  • A. Electrophiles only
  • B. Nucleophiles only
  • C. Electrophiles and nucleophiles
  • D. Free radicals only

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Share your comments questions here
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  • Zaheer Ahmad

    05 Nov 2022

    very nice

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  • A

    Ahmad Raza

    04 Dec 2017

    very nice

    Like (1)
    Reply
  • M

    Mahnoor Amjad

    01 Nov 2017

    very helpful test .....but plz provide variety of mcqs soo that we can prepare better

    Like (3)
    Reply
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