Engineer & Medical

Classification of Element question bank (Chemistry)

Practice 863 free Engineer & Medical Chemistry - Classification of Element questions with answers and step-by-step solutions.

Start free Book a demo

All Easy Hard Medium

Q1.

Match List-I with List-II.

List-I Electronic configuration of neutral atom (where $n=2$)	List-II $1^{st}$ Ionization Energy (kJ mol$^{-1}$)
A. $ns^2$	I. $2080$
B. $ns^2np^1$	II. $899$
C. $ns^2np^3$	III. $800$
D. $ns^2np^6$	IV. $1402$

Choose the correct answer from the options given below:

(A)

A-II, B-III, C-IV, D-I

(B)

A-IV, B-III, C-II, D-I

(C)

A-III, B-II, C-IV, D-I

(D)

A-III, B-II, C-I, D-IV

Show answer & solution

Verified Answer & Solution Locked

Q2.

In a period, the first ionisation enthalpy of the element at extreme left and the negative electron gain enthalpy of the extreme right element, except noble gases, are respectively.

(A)

lowest and lowest

(B)

highest and lowest

(C)

lowest and highest

(D)

highest and highest

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 863 Questions in Classification of Element

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 863 questions

Unlock every Classification of Element question, generate papers, and practice at your own pace.

Start free