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BITSAT 2021

BITSAT / 40 questions

2025English40 PYQs
1Alcohol Phenols And Ethers
Cyclohexanol on reacting with H2SO4 and then heating gives
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2Alcohol Phenols And Ethers
Methyl alcohol can be distinguished from ethyl alcohol using
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3Aldehyde And Ketone
Acetone does not undergo which type of reaction?
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4Atomic Structure
What is the magnetic moment of Ti2+ ? (Given : Atomic number = 22)
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5Atomic Structure
If Rydberg constant is same for all elements, the angular momentum and energy of Li2+ of which orbital is equal to angular momentum and energy of 1 s-orbital of hydrogen atom?
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6Atomic Structure
Ionisation energy for H+ ion is proportional to rn, then value of n is
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7Atomic Structure
Rutherford model could not explain
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8Biomolecules
Maltase converts maltose into
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9Chemical Bonding And Molecular Structure
The most volatile compound among the given option is
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10Chemical Bonding And Molecular Structure
The structure of CIF3 is
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11Chemical Bonding And Molecular Structure
Which of the following is diamagnetic in nature?
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12Chemical Bonding And Molecular Structure
The correct order of bond order in SO2, SO3, SO\(_4^{2 - }\), SO\(_3^{2 - }\) is
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13Chemical Kinetics
For the following reaction
2A + 3B \(\to\) 3C + 4D
expression for rate of reaction is
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14Chemistry In Everyday Life
In photography, which compound is used as a fixing agent
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15Chemistry In Everyday Life
Sodium stearate (C17H35COO\(-\)Na+) is
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16Chemistry In Everyday Life
Role of BHA in food industries
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17Compounds Containing Nitrogen
The compound formed on reaction of epoxy ethane with NH3 and H2O is
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18Coordination Compounds
Permanganate ion (MnO\(_4^ -\)) is dark purple coloured though Mn is in + 7 oxidation state with d0 configuration. This is due to
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19Coordination Compounds
Which is true in case of [Ni(CO)4]?
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20Coordination Compounds
Magnetic moment of in [Co(F6)]2\(-\) of unpaired electron .......... .
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21Electrochemistry
The molar conductivities of KCl, NaCl and KNO3 are 152, 128 and 111 S cm2 mol\(-\)1 respectively. What is the molar conductivity of NaNO3?
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22Electrochemistry
The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 A is (Atomic mass of Ca = 40)
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23Electrochemistry
Given, the reduction potential of Na+, Mg2+, Al3+ and Ag+ as \(E_{N{a^ + }/Na}^o\) = \(-\) 2.17 V; \(E_{M{g^{2 + }}/Mg}^o\) = \(-\) 2.37 V; \(E_{A{g^ + }/Ag}^o\) = \(-\) 0.08 V.
The least stable oxide is
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24Hydrocarbons
The major product obtained on reaction of 3-methylbutene with HCl is
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25Hydrogen And Its Compounds
Some statements about heavy water are given below
1. Heavy water is used as a moderator in nuclear reactors.
2. Heavy water is more associated than ordinary water.
3. Heavy water is more effective solvent than ordinary water.
Which of the a...
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26Ionic Equilibrum
The solubility of Pb(OH)2 in water is 6.7 \(\times\) 10\(-\)6 M. Its solubility in a buffer solution of pH = 8 would be :
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27Isomerism
CH3\(-\)CHCl\(-\)CH2\(-\)CH3 has a chiral centre, which of the following represents its R configurations?
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28Liquid Solution
The relative lowering of vapour pressure of a dilute aqueous solution containing non-volatile solute is 0.0125. The molality of the solution is about
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29P Block Elements
Which of the following inert gas is used as cryogenic agnet?
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30P Block Elements
Which is not an anti-fluorite structure
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31Periodic Table And Periodicity
Why only Xe can form compounds with fluorine among noble gases?
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32Polymers
Starch is a polymer of
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33S Block Elements
Sodium iodide reacts with ammonia to gives
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34Some Basic Concepts Of Chemistry
In Victor Meyer's method 0.2 g of an organic substance displaced 56 mL of air at STP the molecular weight of the compound
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35Some Basic Concepts Of Chemistry
The density (in g mL\(-\)1] of a 3.60 M sulphuric acid solution that is 29% H2SO4 (molar mass = 98 g mol\(-\)1) by mass will be
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36States Of Matter
Equal masses of methane and oxygen are mixed in an empty container at 25\(^\circ\)C. The fraction of the total pressure exerted by oxygen is
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37Surface Chemistry
The process of removal of excess electrolyte from colloidal solution is
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38Thermodynamics
SI unit of Boltzmann's constant is
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39Thermodynamics
For the complete combustion of ethanol, \({C_2}{H_5}OH(I) + 3{O_2}(g) \to 2C{O_2}(g) + 3{H_2}O(I)\), the amount of heat produced as measured in bomb calorimeter is 1364.47 kJ mol\(-\)1 at 25\(^\circ\)C. Assuming ideality the enthalpy of com...
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40Thermodynamics
The incorrect expression among the following is
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