Chemistry MCQs

Page No. 42

Which of the following reagents will react with both aldehydes and ketones ?


aGrignard reagent

✓


bTollens reagent

✖


cFehlings reagent

✖


dBenedicts reagent

✖


View Answer Grignard reagent

Which of the following reactions may be assoclated with aldehyde and ketone ?


anucleophile addition

✖


bpolymerization

✖


coxidation

✖


dAll of the above

✓


View Answer All of the above

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?


aelectronphilic addition

✖


belectrophilic substitution

✖


cnucleophilic addition

✓


dnucleophilic substitution

✖


View Answer nucleophilic addition

Formalin is ___________ solution of formaldehyde in water?


a10%

✖


b20%

✖


c40%

✓


d60%

✖


View Answer 40%

The carbon atom of carbonyl group is__________________?


asp hybridized

✖


bsp2 hybridized

✓


csp3 hybridized

✖


ddsp2 hybridized

✖


View Answer sp2 hybridized

Which of the following will have the highest boiling point ?


amethanol

✖


bethanal

✖


cpropanal

✖


dhexanone

✓


View Answer hexanone

Iodoform test can be used to distinguish between_________________?


aethanol and methanol

✖


bacetaldehyde and methanal

✖


cacetone and diethyl ketone

✖


dall of the above

✓


View Answer all of the above

Cannizaros reaction takes place through the transfer of ____________________ from complex anion?


ahydrogen ion

✖


bhydride ion

✓


coxide ion

✖


dmethoxide ion

✖


View Answer hydride ion

Dry distillation of calcium acetate results in the formation of_________________?


aformaldehyde

✖


bacetaldehyde

✖


cmethane

✖


dacetone

✓


View Answer acetone

Tetrahydroborate ion is the source of_______________?


aproton

✖


bH+

✖


cBoth A and B

✖


dH-

✓


View Answer H-

Goto Page No.

Page 42 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