1.
Unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism?
A. 
B. 
C. 
D. 
2.
The first ionization potential of Na is 5.1 eV. The value of electron gain enthalpy of Na+ will be:
A. 
B. 
C. 
D. 
3.
A solution of (–) –1 – chloro –1 – phenylethane is toluene racemizes slowly in the presence of a small amount of SbCl5, due to the formation of:
A. 
B. 
C. 
D. 
4.
The coagulating power of electrolytes having ions Na+, Al3+ and Ba2+ for arsenic sulphide sol increases in the order:
A. 
B. 
C. 
D. 
5.
Stability of the species Li2, Li2- and Li2+ increases in the order of:
A. 
B. 
C. 
D. 
6.
The molarity of a solution obtained by mixing 750 mL of 0.5 (M) HCl with 250 mL of 2(M)HCl will be:
A. 
B. 
C. 
D. 
7.
How many liters of water must be added to 1 liter of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with a pH of 2?
A. 
B. 
C. 
D. 
8.
Which of the following is the wrong statement?
A. 
B. 
Ozone is violet-black in solid state
C. 
D. 
ONCl and ONO- are is electronic
9.
Four successive members of the first-row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest E0M3+/M2+ Value?
A. 
B. 
C. 
D. 
10.
Experimentally it was found that a metal oxide has the formula M0.98O. Metal M is present as Mn2+ and Mn3+ in its oxide. The fraction of the metal which exists as M3+ would be:
A. 
B. 
C. 
D. 
11.
Which one of the following molecules is expected to exhibit diamagnetic behavior?
A. 
B. 
C. 
D. 
12.
Which of the following arrangements does not represent the correct order of the property stated against it?
A. 
Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic size
B. 
Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solution
C. 
Sc < Ti < Cr < Mn : number of oxidation states
D. 
V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviour
13.
The rate of a reaction doubles when its temperature changes from 300K to 310K. The activation energy of such a reaction will be:
(R = 8.314 JK–1 mol–1 and log 2 = 0.301)
A. 
B. 
C. 
D. 
14.
Synthesis of each molecule of glucose in photosynthesis involves:
A. 
B. 
C. 
D. 
15.
A compound with molecular mass 180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups presents per molecule of the former compound is:
A. 
B. 
C. 
D. 
16.
Which of the following complex species is not expected to exhibit optical isomerism?
A. 
B. 
C. 
D. 
17.
Given
Based on the data given above, strongest oxidising agent will be:
A. 
B. 
C. 
D. 
18.
A piston filled with 0.04 mol of an ideal gas expands reversibly from 50.0 mL to 375 mL at a constant temperature of 37.00C. As it does so, it absorbs 208J of heat. The values of q and w for the process will be:
(R = 8.314 J/mol K) (ln 7.5 = 2.01)
A. 
Q = – 208 J, w = – 208 J
B. 
Q = – 208 J, w = + 208 J
C. 
D. 
Q = + 208 J, w = – 208 J
19.
Arrange the following compounds in order of decreasing acidity:
A. 
B. 
C. 
D. 
20.
A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO2. The empirical formula of the hydrocarbon is:
A. 
B. 
C. 
D. 
21.
The order of stability of the following carbocations:
is:
A. 
B. 
C. 
D. 
22.
For gaseous state, if most probable speed is denoated by C*, average speed by and mean square speed by C, then for a large number of molecules the ratios of these speeds are:
A. 
B. 
C. 
D. 
23.
The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:
A. 
B. 
C. 
D. 
24.
Consider the following reaction:
The values of x, y and z in the reaction are, respectively:
A. 
B. 
C. 
D. 
25.
Which of the following exists as covalent crystals in the solid-state?
A. 
B. 
C. 
D.