Which of the following cannot be produced by dehydration of alcohols?
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The total number of possible values of magnetic quantum number for the value of l = 3 is
Vanaspati ghee is prepared by which of the following reactions of vegetable oils?
The oxidation of SO₂ by O₂ to SO₃ is an exothermic reaction. The yield of SO₃ will be maximum if
The reaction N₂ + O₂ → 2NO is endothermic . The forward reaction is
An endothermic reaction A → B has an activation energy 15 kcal/mole and energy of reaction 5 kcal/mole. The activation energy of the reaction B → A is
A first order reaction is 10% complete in 20 min. The time taken for 19% completion is
Which of the following holds good to the laws of thermodynamics for the reaction C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(l)
The arrangement of hydrogen atoms around carbon in the methane molecule is
The cell reaction of the cell is Mg(s) + Cu+2 (aq) → Cu(s) + Mg+2 (aq). If the standard reduction potential of magnesium and copper are -2.37 V and +0.34V respectively, the standard EMF of the cell is
The e.m.f. of a galvanic cell with electrode potentials of Al equal to -1.66 V and that of Mg equal to - 0.54 V is
The ionic mobility of alkali metal ions in aqueous solution is maximum for
Main process for the manufacture of sodium carbonate is
Which one of the following substances is used in the laboratory for a fast drying of neutral gases?
Benzene on treatment with a mixture of conc.HNO₃ and conc. H₂SO₄ at 100°C gives
When acetylene is passed through dil. H₂SO₄ in the presence of HgSO₄, the compound formed is
H₂O₂ is commonly prepared in lab. by the reaction of
In which of the following acid-base titration, pH is greater at eqivalence point?
When a slow neutron goes sufficently close to a U-235 nucleus, then the process which takes place is called