More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
MDCAT Chemistry Chapter 7 Reaction Kinetics Online Test MCQs With Answers
Question # 1
Which of the following processes has always. ∆H=-ve
Choose an answer
Formation of compound
Dilution of a solution
Dissolution of ionic compound
Combustion
Previous
Skip
Next
Question # 2
Change in enthalpy (∆H) of a system can be calculated by
Choose an answer
∆H=∆E - PV
ΔH =ΔE +q
∆H = ∆E - q
∆Η = ΔΕ + P∆V
Previous
Skip
Next
Question # 3
One of the best applications of Hess's law to calculate the lattice energy of ionic compound is
Choose an answer
Measurement of enthalpy change in a calorimeter
Studying of first law of thermodynamics
Measurement of a heat of formation of a compound
Born-Haber cycle
Previous
Skip
Next
Question # 4
∆H=∆E is true for which of the following reaction
Choose an answer
K+H2O----->KOH+H2
N2+3H2------>2NH3
AlCl3+3NaOH--->Al(OH)3+3 NaCl
4Na + O2----->2Na2O
Previous
Skip
Next
Question # 5
The net heat change in a chemical reaction is the same whether it is brought about in two or more different ways in one or several steps.it is known as
Choose an answer
Henry's law
Hess's law
joule's law
Law of conservation of energy
Previous
Skip
Next
Question # 6
Total heat content of a system is called
Choose an answer
Internal energy
Entropy
Enthalpy
All of these
Previous
Skip
Next
Question # 7
Enthalpy of a system can be calculated by which of following relationship
Choose an answer
q=ΔΕ
q=m×S×∆T
q=pv
q=m×v×∆T
Previous
Skip
Next
Question # 8
NaOH+HCI- NaCI+ H2O. Enthalpy change in the above reaction is called
Choose an answer
Enthalpy of reaction
Enthalpy of Neutralisation
Enthalpy of formation
Enthalpy of combustion
Previous
Skip
Next
Question # 9
Which of the following enthalpy change always have a negative value
Choose an answer
∆Hf
∆H sol
∆Hc
∆Hat
Previous
Skip
Next
Question # 10
Most of the reactions which give stable products are
Choose an answer
Endothermic
Exothermic
Isothermal
Non of these
Previous
Skip
Next
Question # 11
The enthalpy of formation of a compound is
Choose an answer
Positive
Either positive or negative
Negative
None
Previous
Skip
Next
Back