Engineering Entrance Sample Papers

BITSAT Chemistry Sample Paper 1

BITSAT Chemistry

BITSAT Chemistry Sample paper 1 consist 40 questions based on 11th and 12th Chemistry syllabus of CBSE Board. You can download PDF of this BITSAT Chemistry sample paper by using the link below 10th question.

Related: BITSAT Exam Pattern

Question: Mark the gas which turns lime water milky
(a) H2S
(b) SO2
(c) Cl2
(d) CO2
Ans. (b), (d)


The product is :

Ans: (b)

Question: Which is the decreasing order of stability?
(i) CH– CH – CH3
(ii) CH– CH – O – CH3
(iii) CH3CH – CO – CH3
(a) (i) < (ii) < (iii)
(b) (i) > (ii) > (iii)
(c) (iii) > (i) > (ii)
(d) (ii) > (iii) > (i)
Ans: (b)

Question: Which of the following reactions with H2S does not produce metallic sulphide
(a) ZnCl2
(b) CdCl2
(c) COCl2
(d) CuCl2
Ans. (c)

Question:The density of H2S (mol. wt. 34) at 27°C and 2 atm pressure (R = 0.0821 atm/mol K):
(a) 2.76g/L
(b) 27.6 g/L
(c) 2.76 mg/L
(d) none of these
Ans: (a)

Question:Which of the following will have the maximum dipole moment ?
(a) CH3F
(b) CH3CI
(c) CH3Br
(d) CH3I
Ans: (b)

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Question: Boiling point of the following compounds follow the order.
(b) CH3NH2 < CH3OH < CH3CH3 < HCOOH
(c) CH3OH < CH3CH3 < CH3NH2 < HCOOH
(d) HCOOH < CH3NH2 < CH3OH < CH3CH3
Ans: (a)

Question: Which of the following salts is colourless ?
(a) CdCI2
(b) CuSO4-5H2O
(c) MnSO4-7H2O
(d) NiSO4-7H
Ans: (a)

Question: What are the shapes of (i) C1F3 and (ii) BrF3 molecules ?
(a) Both are planar trigonal
(b) Both have distorted T-shaped
(c) (i) is planar trigonal and (ii) is T-shaped
(d) (i) is T-shaped and (ii) is planar trigonal
Ans: (b)

Question: An organic compound containing C, H and O contains 52.5% C and 13.04% Hr Vapour density of the
compound is 23. Its molecular formula will be :
(a) C2H6O
(b) C3H8O
(c) C4H8O
(d) C5H10O
Ans: (a)

Question: An ester (A) with molecular formula C9Hi0O2 was treated with excess of CH3MgBr and the compound so formed was treated with cone. H2SO4 to form olefin (B). Ozonolysis of B gave ketone with formula C8H8O. Which shows positive iodoform test the structure of A is:
(b) C6H5COOC2H5
Ans: (b)

Question: The only liquid non-metal present in periodic table is:
(a) chlorine
(b) mercury
(c) bromine
(d) fluorine
Ans: (c)

Question: Which of the following is not correct for D2O ?
(a) BVP is higher than H2O
(c) Viscosity is higher than H2O at 25°
(b) D2O reacts slowly than H2O
(d) Solubility of NaCI in it is more than H2O
Ans: (d)

Question: Which of the following is neutral refractory material?
(a) SiO2
(b) MgO
(c) CaO
(d) SiC
Ans: (d)

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Question: Number of n electrons present in naphthalene is :
(a) 4
(b) 6
(c) 10
(d) 14
Ans: (c)

Question: The low density of ice compared to water is due to:
(a) hydrogen bonding interactions
(b) dibble-dipole interactions
(c) dipole induced dipole interactions
(d) induced  dipole induced dipole interactions
Ans: (a)

Question: Galvanic cell involves:
(a) conversion of thermal energy (heating) into electrical energy
(b) conversion of electrical energy into chemical energy
(c) conversion of chemical energy into thermal energy
(d) conversion of chemical energy into electrical energy
Ans: (d)

Question: Name of the compound given below is :
(a) 3-methyl-4-ethyloctane
(b) 2, 3-diethylheptane
(c) 5-ethyl-6-methyloctane
(d) 4-ethyl-3-methyloctane
Ans: (d)

Question: A relation between vapour pressure and temperature is known as :
(a) gas equation
(b) Clapeyron equation
(c) Claussius equation
(d) Claussius-Clapeyron equation
Ans: (d)

Question: Adsorption occurs not due to:
(a) unbalanced force at surface molecules
(b) unutilized free valencies at surface
(c) increased entropy at surface
(d) van der Waals’ attraction at surface
Ans: (c)

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Question: In a hydrogen atom, if the energy of an electron in the ground state is 13.6 eV, then that in the second excited state is :
(a) 1.51 eV
(b) 3.4 eV
(c) 6.04 eV
(d) 13.6 eV
Ans: (a)

Question: Borax structure contains:
(a) two BO4 groups and two BO3 groups
(b) four BO4 groups only
(c) four BO3 groups only
(d) three BO4 and one BO3 groups
Ans: (a)

Question: Dacron is copolymer of:
(a) hexamethylene diamine and adipic acid
(b) ethylene glycol and terepthalic acid
(c) ethylene and pthalic acid
(d) styrene and 1, 3-butadiene
Ans: (b)

Question: In the sequence of reactions,

The product B is

(a) Benzyl alcohol
(b) 2-Phenyl ethanol
(c) 1-Phenyl ethanol
(d) Quinol
Ans: (b)

Question: When D-glucose is oxidized by Ag:0 gives:
(a) L-glucaric acid
(b) D-glucaric acid
(c) D-gluconic acid
(d) L-gluconic acid
Ans: (c)

Question: The order of reactivities of methyl halides in the formation of Grignard reagent is
(a) CH3I > CH3Br > CH3Cl
(b) CH3Cl > CH3Br > CH3I
(c) CH3Br > CH3Cl > CH3I
(d) CH3Br > CH3I > CH3Cl
Ans. (a)

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Question: neo-pentylbromide on reaction with alc. KOH yields ______ as the major product.
(a) 2-Methyl-1-Butene
(b) 2-Methyl-2-Butene
(c) 2-2-Dimethyl-1-propanol
(d) 2-Methyl-2-Butanol
Ans: (b)

Question: Which of the following is not an electrophile
(a) Cl+
(b) Na+
(c) H+
(d) BF3
Ans. (b)

Question: The ion which exhibits green colour?
(a) Cu2+
(b) Mn2+
(c) Co2+
(d) Ni2+
Ans: (d)

Question: Identify the correct statement
(a) Gypsum contains a lower percentage of calcium than Plaster of Paris.
(b) Gypsum is obtained by heating Plaster of Paris.
(c) Plaster of Paris can be obtained by hydration of Gypsum.
(d) Plaster of Paris is obtained by partial oxidation of Gypsum.
Ans: (a)

Question: 1 mole of N2O4 (g) at 300 K is kept in a closed container under one atmosphere. It is heated to 600 K when 20% by mass of N2O4 (g) decomposes to NO2 (g). The resultant pressure is:
(a) 1.2 atm
(b) 2.4 atm
(c) 2.0 atm
(d) 1.0 atm
Ans: (b)

Question: Which destroy antigens?
(a) Insulin
(b) Antibodies
(c) Chromoprotein
(d) Phosphoprotein
Ans: (b)

Question: When Na reacts with liquid NH3 the following substance is formed:
(a) [Na(NH3)x]
(b) [e(NH3)y]
(c) NaNH2
(d) NaxNH3y
Ans: (b)

Question: Which ion has the lowest radius from the following ions
(a) Na+
(b) Mg2+
(c) Al3+
(d) Si4+
Ans. (d)

Question: Glyptal polymer is obtained by the reaction of glycerol with :
(a) Malonic acid
(b) acetic acid
(c) phthalic acid
(d) maleic acid
Ans: (c)

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Question: The purine base present in RNA is :
(a) guanine
(b) thymine
(c) cytosine
(d) uracil
Ans: (d)

Question: If the H+ concentration is decreased from 1M to 10-4 M at 25o C for the couple MnO4/Mn2+, then the oxidizing power of the MnO4/Mn2+ couple decrease by :
(a) -0.18 V
(b) 0.18 V
(c) 0.38 V
(d) -0.38 V
Ans: (c)

Question: Pinacol is :
(a) 3-methylbutan-2-ol
(b) 2,3-dimethyl-2,3-butanediol
(c) 2,3-dimethyl-2-propanone
(d) none of the above
Ans: (b)

Question: The order of increasing energies of the orbitals follows:
(a) 5p < 4f < 6s < 5d
(b) 5p < 6s < 4f < 5d
(c) 4f < 5p < 5d < 6s
(d) 5p < 5d < 4f < 6s
Ans: (b)

Question: A hydride of nitrogen which is acidic is
(a) NH3
(b) N2H2
(c) N3H
(d) N2H4
Ans. (c)

Download all questions with answers using link below.

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