M C Q s D r i v e

Chemistry 1488 MCQs [All-Courses]

thumb

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
A hydrogen ion
B hydride ion
C oxide ion
D methoxide ion
Correct Answer: hydride ion
When alcohol reacts with phosphorous halides it geive____________________?
A alkyl halides
B alkyl amine
C alkanes
D alkynes
Correct Answer: alkyl halides
Dry distillation of calcium acetate results in the formation of_________________?
A formaldehyde
B acetaldehyde
C methane
D acetone
Correct Answer: acetone
An alcohol which can be prepared by fermentation is_________________?
A CH3OH
B C3H7OH
C CH3 – CH2 – OH
D C6H5OH
Correct Answer: CH3 – CH2 – OH
Tetrahydroborate ion is the source of_______________?
A proton
B H+
C both A & amp; B
D H-
Correct Answer: H-
Methyl alcohol is not used__________________?
A As a solvent
B As an antifreezing agent
C As a substitute for petrol
D For denaturing of ethyl alcohol
Correct Answer: As a substitute for petrol
Acetal on acid hydrolysis generates__________________?
A Alcohol
B Ketone
C Both A & B
D None of the above
Correct Answer: Both A & B
Which compound shows hydrogen bonding ?
A C2H6
B C2H5Cl
C CH3OCH3
D C2H5OH
Correct Answer: C2H5OH
When phenol is heated with concentrated nitric acid the product is________________?
A Picric acid
B o-nitrophenol
C 1 3 5 -trinitro benzene
D p-nitrophenol
Correct Answer: Picric acid
Oxidation of primary alcohol gives________________?
A ketone
B Aldehyde
C Alkene then – COOH
D Ester
Correct Answer: Aldehyde