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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.

Which is the strongest acid ?

A HCIO

B HCIO2

C HCIO3

D HCIO4

Review Detailed Answer

Correct Answer: HCIO

Periodic table provides a basic framework to study elements with respect to their__________________?

A Physical properties

B Chemical properties

C Properties of their compounds

D All

Review Detailed Answer

Correct Answer: All

Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?

A ns2p2

B ns2p4

C ns2p5

D ns2p6

Review Detailed Answer

Correct Answer: ns2p5

Which of the following will not form crystalline structure with opporitely charged ions_________________?

A H+

B H-

C Mg2+

D Ca2+

Review Detailed Answer

Correct Answer: H+

Elements which emit natural radioactivity are known as __________ ?

A Radio elements

B Active elements

C Radioactive elements

D Nuclear elements

Review Detailed Answer

Correct Answer: Radioactive elements

Which one of the following is the weakest acid in water__________________?

A HF

B HCI

C HBr

D HI

Review Detailed Answer

Correct Answer: HF

Which of the p-block elements are not representative elements ?

A Alkali metals (I-A)

B Group-14 elements (IV-A)

C Group-18 elements (VIII-A)

D Halogens (VII-A)

Review Detailed Answer

Correct Answer: Group-18 elements (VIII-A)

Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

A e

B 2e

C 3e

D 4e

Review Detailed Answer

Correct Answer: e

Which of the following statements is incorrect about fluorine_______________?

A fluorine is restricted to -1 oxidation state

B fluorine follows octet rule and as well as extended octet rule

C fluorine has lowest dissociation energy among the halogens

D both B and C

Review Detailed Answer

Correct Answer: both B and C

Elements in the same vertical group of the periodic table have same_______________?

A Number of valence electrons

B Atomic number

C Atomic mass

D Atomic volume

Review Detailed Answer

Correct Answer: Number of valence electrons

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Which is the strongest acid ?

Periodic table provides a basic framework to study elements with respect to their__________________?

Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?

Which of the following will not form crystalline structure with opporitely charged ions_________________?

Elements which emit natural radioactivity are known as __________ ?

Which one of the following is the weakest acid in water__________________?

Which of the p-block elements are not representative elements ?

Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

Which of the following statements is incorrect about fluorine_______________?

Elements in the same vertical group of the periodic table have same_______________?