Chemistry 1488 MCQs [All-Courses]

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.

Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?

A they have an electrophilic carbon

B they have an electrophilic carbon & a good leaving group

C they have an electrophilic carbon & a bad leaving group

D they have a nucleophilic carbon & a good leaving group

Review Detailed Answer

Correct Answer: they have an electrophilic carbon

The common name of propane 1 3-dioic is_________________?

A Oxalic acid

B Aromatic acid

C Malonic acid

D Fumaric acid

Review Detailed Answer

Correct Answer: Malonic acid

For which mechanisms the first step involved is the same ?

A E1 + E2

B E2 + SN2

C E1 and SN1

D SN1 and SN2

Review Detailed Answer

Correct Answer: E1 and SN1

Which of the following is an unsaturated carboxylic acid___________________?

A malonic acid

B oxalic acid

C succinic acid

D maleic acid

Review Detailed Answer

Correct Answer: maleic acid

SN2 reaction can be best carried out with__________________?

A primary alkyl halide

B secondary alkyl halide

C tertiary alkyl halide

D all

Review Detailed Answer

Correct Answer: primary alkyl halide

Amino acids present in cheese___________________?

A lysine

B alanine

C tyrosine

D proline

Review Detailed Answer

Correct Answer: tyrosine

When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?

A propane

B propanoic acid

C propanal

D propanol

Review Detailed Answer

Correct Answer: propanoic acid

Which of the following has orange flavour__________________?

A isobutyl formate

B octyl acetate

C ethyl butyrate

D amyl lactate

Review Detailed Answer

Correct Answer: octyl acetate

When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?

A 2 moles of ethane

B 1 mole of ethane

C 2 moles of butane

D 1 mole of butane

Review Detailed Answer

Correct Answer: 1 mole of butane

Which of the following is not an ester_________________?

A amyl acetate

B sodium butyrate

C isobutyle formate

D octyl acetate

Review Detailed Answer

Correct Answer: sodium butyrate

Showing 651 to 660 of 1488 results

Contact Info

Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?

The common name of propane 1 3-dioic is_________________?

For which mechanisms the first step involved is the same ?

Which of the following is an unsaturated carboxylic acid___________________?

SN2 reaction can be best carried out with__________________?

Amino acids present in cheese___________________?

When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?

Which of the following has orange flavour__________________?

When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?

Which of the following is not an ester_________________?