Chemistry MCQs

Page No. 35

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?


aAcetylene


bN-hexane


cBenzene sulphonic acid


dSodium benzoate


View Answer N-hexane

Chlorination of toluene in the presence of sublight produces_________________?


aBenzyl chloride


bo – chlorotoluene


cp – chlorotoluene


dBenzoic acid


View Answer Benzyl chloride

By which method the molecular mass of benzene was determined as 78.108 ?


aSpecific gravity method


bVapour density method


cX-ray diffraction method


dDistillation method


View Answer Vapour density method

Nitration of chlorobenzene gives___________________?


ao – chloronitrobenzene


bp – chloronitrobenzene


cm – chloronitrobenzene


dA and B


View Answer A and B

Aniline is a derivative of benzene which contains__________________?


aImino group


bAmino group


cAmide group


dNitro group


View Answer Amino group

In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?


aHydrogen


bOxygen


cSulphur


dOH


View Answer Sulphur

The hydrolysis of Benzenetrizonide will yield three moles of____________________?


aGlyoxime


bBenzaldehyde


cGlycol


dGlyoxal


View Answer Glyoxal

What is the molecular formula of Benzenetriozonide ?


aC6H6O9


b C6H5O8


c C6H5O9


dC6H6O6


View Answer C6H6O9

Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?


aToluene


bethyl benzene


cn-propyl benzene


dAll


View Answer All

Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?


aDows process


bFriedel & Craft acylation


cFriedel & Craft alkylation


dClemmenson reduction



Goto Page No.

Page 35 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