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AIEEE Chemistry (2005)

AIEEE Chemistry (2005)
Created by Quizmagic Team on Jan 09, 2013 06:42 PM
There are 25 questions of AIEEE Chemistry examination of year 2005 in this quiz. Take this quiz with previous year questions and improve your Chemistry for this competitive examination
Top 5 Scores
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84
03:17
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36
01:04
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36
07:12
Anonymous
33
00:47
Anonymous
33
01:33
Questions
25
Minutes
15
High Score
84
03:17
Quiz Played
204
times
Last played on Dec 06, 2016. View comments
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Sample Questions

Question 1
Among the following acids which has the lowest pKa value?
HCOOH
CH3COOH
(CH3)2COOH
CH3CH2COOH
Question 2
An amount of solid NH4HS is placed in a flask already containing  ammonia gas at acertain temperature and 0.50 atm. Pressure. Ammonium hydrogen sulphidede composes to yield NH3 and H2S gases in the flask. When the decomposition reaction reaches equilibrium, the total pressure in the flask rises to 0.84 atm. Theequilibrium constant for NH4HS decomposition at this temperature is
0.18
0.3
0.11
0.17
Question 3
t1/4 can be taken as the time taken for the concentration of a reactant to drop to 3/4 of its initial value. If the rate constant for a first order reaction is K, the t1/4 can bewritten as
0.75/K
0.69/K
0.29/K
0.10/K
Question 4
An organic compound having molecular mass 60 is found to contain C = 20%, H =6.67% and N = 46.67% while rest is oxygen. On heating it gives NH3 alongwith a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is
CH3NCO
CH3CH2CONH2
CH3CONH2
(NH2)2CO
Question 5
Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. Thecompound formed is generally known as
an imine
an amine
an enamine
a Schiff’s base
Question 6
Which of the following factors may be regarded as the main cause of lanthanidecontraction?
Poor shielding of one of 4f electron by another in the subshell
Effective shielding of one of 4f electrons by another in the subshell
Poorer shielding of 5d electrons by 4f electrons
Greater shielding of 5d electrons by 4f electrons
Question 7
The value of the ‘spin only’ magnetic moment for one of the following configurationsis 2.84 BM. The correct one is
d3 (in weak as well as in strong fields)
d4 (in weak ligand field)
d4 (in strong ligand filed)
d5 (in strong ligand field)
Question 8
The structure of diborane (B2H6 ) contains
two 2c-2e bonds and four 3c-2e bonds
four 2c-2e bonds and two 3c-2e bonds
two 2c-2e bonds and two 3c-3e bonds
four 2c-2e bonds and four 3c-2e bonds
Question 9
Which of the following statements in relation to the hydrogen atom is correct?
3s and 3p orbitals are of lower energy than 3d orbital
3p orbital is lower in energy than 3d orbital
3s, 3p and 3d orbitals all have the same energy
3s orbital is lower in energy than 3p orbital
Question 10
Equimolar solutions in the same solvent have
Same boiling and same freezing points
Same boiling point but different freezing point
Different boiling and different freezing points
Same freezing point but different boiling point
X
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