Chemistry MCQs

Page No. 41

Which of the following is a symmetrical ketone___________________?


a3 – hexanone

✖


bacetone

✓


cbutanone

✖


d2-pentanone

✖


View Answer acetone

Which one exhibits aldol condensation____________________?


aHCHO

✖


bC6H5CHO

✖


cCl3CCHO

✖


dCH3COCH3

✓


View Answer CH3COCH3

Acetaldehyele cyanohydrin on acid hydrolysis yields___________________?


aTartaric acid

✖


bPropionic acid

✖


cLactic acid

✓


dValeric acid

✖


View Answer Lactic acid

Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?


aPdCl2

✖


bCu2Cl2

✖


cCuCl2

✓


dPdCl2

✖


View Answer CuCl2

Aldehyde and ketone have same general formula for homologous series_________________?


aCnH2nO2n

✖


bCnH2n

✖


cCnH2nO

✓


dCnH2nO+1

✖


View Answer CnH2nO

On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?


aPINK

✖


bblack

✖


cyellow

✖


dbrick red

✓


View Answer brick red

Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?


a60%

✖


b50%

✖


c52%

✓


d8%

✖


View Answer 52%

Formula of haloform is_________________?


aHCOX

✖


bCX4

✖


cCHX3

✓


dCH3X

✖


View Answer CHX3

Formaldehyde and lactose are combined to produce throat lozenges named as__________________?


aformamint

✓


blactomint

✖


caldomint

✖


dformalactose

✖


View Answer formamint

Which of the following do not give aldol condensation reactions ?


aformaldehyde

✓


bacetaldehyde

✖


cdiemthyl ketone

✖


dpropionaldehyde

✖


View Answer formaldehyde

Goto Page No.

Page 41 of 119

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan