CHEMISTRY
Engineering College Admission Test
(ECAT 2011)
1. Half life method is used for
(1st Order reaction,2nd
Order reaction, Zero order reaction, Integer Fraction)
2. CO2 dry ice has……..types of crystals?
( Molecular, Ionic)
3. Aluminium Hydride AlH3……..?
(Related Question was asked)
4) Pressure increases on gas, then forces become?
(Significant, insignificant)
5) Composition of aqua regia
6) Lanthanide contraction Period
(Related question was asked)
7) Trend of Oxidation State.
8) Which one of the following is false?
a) Copper is softer than Sodium
b) Diamond is not a conductor
c) Cs & Na has same structure
9) e/m of cathode and positive rays.
10) H2SO4 in pure form.
(Dehydrating agent, odorless,
conductor of electricity, All)
11) Benzene Stability dependence-----delocalization of PIE Electrons.
12) Distribution Law-------Solvent Extraction
(ratio of solutes of Urea)
13) Which one is more Dilute?
(1 molar or 1 molal solution of
Urea)
14) 9% increase during freezing water is due to
( tetrahedral structure with
empty spaces, trihedral with empty spaces)
15) What’s the effect on equilibrium--------during change in volume?
16) Catalyst disturbs the:-
(equilibrium constant, position, none)
17) Electrochemical series used for:-
(redox reaction ,battery
reaction)
18) Depression of freezing point when volatile solute is dissolved in
it
(related question was asked)
19) In first order reaction,50% of the substance decays in 1
hour,remaining will decay in?
20) Rate of reaction depends upon surface area
(Related Question)
21) The substance which posion the catalyst?
22) Group 4A elements from
(Hydride, Dioxide, Halide)
23) Li only form
(suboxide,oxide,superoxide,all)
24) Red Phosphorus
( macro molecule,micro molecule)
25) K2Cr2O2, Oxidation states of all
respectively?
26) Transition Elements
( All are metals, conductor of heat,
variable oxidation state, all)
27) Which of the following react with Fehling solution?
28) Enthalpy change--------related question
29) An acetal forms-------alcohols react aldehydes.
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