IIT-JEE 1983
JEE Advanced / 21 questions
2026Mon, Apr 11, 1983 9:00 AM21 PYQs
1Chemical Bonding And Molecular Structure
Which one among the following does not have the hydrogen bond?
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2Chemical Bonding And Molecular Structure
Linear overlap of two atomic p-orbitals leads to a sigma bond.
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3Chemical Bonding And Molecular Structure
Carbon tetrachloride has no net dipole moment because of
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4Chemical Bonding And Molecular Structure
The types of bonds present in CuSO4.5H2O are only
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5Hydrogen
Heavy water is
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6Hydrogen
The absorption of hydrogen by palladium is commonly known as ______.
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7Redox Reactions
Complete and balance the following equation:
Ce3+ + \(S_2O_8^{-2} \to\) \(SO_4^{-2}\) + Ce4+
Ce3+ + \(S_2O_8^{-2} \to\) \(SO_4^{-2}\) + Ce4+
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8Redox Reactions
Complete and balance the following equations:
Cl2 + OH- \(\to\) Cl- + ClO-
Cl2 + OH- \(\to\) Cl- + ClO-
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9Redox Reactions
Complete and balance the following equation:
Zn + \(NO_3^- \to\) Zn2+ + \(NH_4^+\)
Zn + \(NO_3^- \to\) Zn2+ + \(NH_4^+\)
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10Redox Reactions
Complete and balance the following equation:
\(Cr_2O_7^{2-}\) + C2H4O \(\to\) C2H4O2 + Cr3+
\(Cr_2O_7^{2-}\) + C2H4O \(\to\) C2H4O2 + Cr3+
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11Redox Reactions
Complete and balance the following equation:
HNO3 + HCl \(\to\) NO + Cl2
HNO3 + HCl \(\to\) NO + Cl2
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12Solutions
An organic compound CxH2yOy was burnt with twice the amount of oxygen needed for complete combustion of CO2 and H2O. The hot gases when cooled to 0oC and 1 atm pressure, measured 2.24 litres. The water collected during cooling weighed 0.9 g...
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13Some Basic Concepts Of Chemistry
3 g of a salt of molecular weight 30 is dissolved in 250 g of water. The molality if the solution is _____.
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14Some Basic Concepts Of Chemistry
The density of a 3 M Sodium thiosulphate solution (Na2S2O3) is 1.25 g per ml. Calculate (i) the percentage by weight of sodium thiosulphate, (ii) the mole fraction of sodium thiosulphate and (iii) the molalities of Na+ and \(S_2O_3^{-2}\) ...
SUBJECTIVE+5 / -01983
15Some Basic Concepts Of Chemistry
4.08 g of a mixture of BaO and an unknown carbonate MCO3 was heated strongly. The residue weighed 3.64 g. This was dissolved in 100 ml of 1 N HCl. The excess acid required 16 ml of 2.5 N NaOH solution for complete neutralization. Identify t...
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16Structure Of Atom
The energy of the electron in the 3d-orbital is less than that in the 4s-orbital in the hydrogen atom.
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17Structure Of Atom
The principal quantum number of an atom is related to the
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18Structure Of Atom
Any p-orbital can accommodate upto
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19Structure Of Atom
Elements of the same mass number but of different atomic numbers are known as ____.
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20Structure Of Atom
Rutherford's scattering experiment is related to the size of the
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21Structure Of Atom
Gamma rays are electromagnetic radiations of wavelengths of 10-6 to 10-5 cm
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