Chemistry Mixed Test - 1 (Engineering Entrance)
Description: Chemistry Mixed Test - 1 | |
Number of Questions: 25 | |
Created by: Jayanti Mahajan | |
Tags: Chemistry Mixed Test - 1 Electrode Potential and Electrolysis Electrolytic Cells and Electrolysis Derivation of Real Gases From Ideal Behaviour Deviation from Ideal Gas Behaviour Half Life Period Half-life of a Reaction Basic Concepts of Chemistry Some Basic Concepts of Chemistry States of Matter |
STATEMENT 1: In Haber's process synthesis of NH3 I carried out in presence of catalyst. STATEMENT 2: The catalyst shifts the position of equilibrium of reaction to products side.
E and E0 values of a spontaneous cell, at equilibrium, are:
In a Van der Waals real gas equation, there are two constants namely 'a' and 'b'. 'What does 'b' refer to in this equation?
The half life of a zero order reaction, A --> Products is:
Glucose is a/an:
The Henry's law constant, for the solubility of O2 gas in water at 298 K, is 2 atm. The mol fraction of O2 in air is 0.2. The number of moles of O2, from air, dissolved in 10 moles of water at 298 K and 5 atm pressure is:
There are two isotopes of hydrogen, i.e. 1H and 2H. The ratio of radii of their first orbits, using Bohr's Theory and ignoring the reduced mass concept, is
As we move away from the neucleus , the energy of orbit :
The first emission line in the atomic spectrum of hydrogen in the balmer series appears at ?
Calculate the energy required to shift all the electrons from the 1st bohr's orbit to the fifth bohr's orbit in one mole of hydrogen ?
If N2 + 3H2 ⇌ 2NH3 is a reversible reaction, then
Which of the following is NOT the characteristic of equilibrium?
What is the relationship of equilibrium constant K and reaction quotient Q at equilibrium?
Which of the following expressions represents the equilibrium constant for the following redox reaction?
Cu2+(aq) + Zn(s) -------> Zn2+(aq) + Cu(s)
For which of the following reactions is Kp equal to Kc?
Consider a reaction I2(s) --------> I2 (in solution). How will the equilibrium shift on addition of more I2(s)?
If K1, K2 be the equilibrium constants of two individual reactions and K3 is the equilibrium constant of a reaction obtained by addition of these two reactions, then correct relation between K1, K2 and K3 will be
For the reaction given below, identify the type of graph obtained between [Ba2+] and [SO42-].
BaSO4(s) <------> Ba2+(aq) + SO42-(aq)
For the reaction N2(g) + 3H2(g) <--------> 2NH3(g), the correct relation between Kp and Kc will be
Consider a reaction for which enthalpy change (∆H0) is zero. The equilibrium constant will
For the equilibrium established between butane and isobutane, if the volume of the container is halved, the equilibrium will
Enthalpy change(∆H0) for the reaction is given to be +181 kJmol-1 On increasing the temperature,
Which of the following is an example of homogenous equilibrium?
Consider a solution saturated with Ag2SO4(s) at equilibrium Ag2SO4(s) ⇌ 2Ag+(aq) + SO42-(aq) On addition of NaCl(s), the amount of Ag2SO4 in equilibrium will
Directions: The following question has four choices out of which ONLY ONE is correct.
The effect of the change in external conditions on the chemical equilibrium is given by