Please select a subject first
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Half life (t1/2) and completion time (T) of the zero order reaction are- (K = 0.001 mol/litre/sec and a = 1 M.)
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Zeigler-Natta Catalyst is ______.
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The magnitude of CFSE depends upon ______
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When ammonium chloride is dissolved in water, the solution becomes cold. The change is:
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IUPAC names of the products obtained by addition of HBr to hex - 1 - ene in the absence of peroxide and in the presence of peroxide respectively are:
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Which of the following is a naturally occurring antioxidant?
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Which of the following is a reducing sugar?
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The product formed in the following chemical reaction is:
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Which one of the following polymers are prepared by addition polymerization?
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Match List - I with List - II.
| List - I | List - II | ||
| (Processes/Reactions) | (Catalyst) | ||
| (A) | \[\ce{2SO2(g) + O2(g) -> 2SO3(g)}\] | (I) | Fe(s) |
| (B) | \[\ce{4NH3 (g) + 5O2(g) -> 4NO(g) + 6H2O (g)}\] | (II) | Pt (s) - Rh (s) |
| (C) | \[\ce{N2(g) + 3H2(g) -> 2NH3(g)}\] | (III) | V2O5 |
| (D) | \[\ce{Vegetable oil (l) + H2 -> Vegetable ghee (s)}\] | (IV) | Ni (s) |
Choose the correct answer from the options given below:
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Match the catalysts to the correct processes:
| Catalysts | Process | ||
| (A) | TiCl4 | (i) | Wacker process |
| (B) | PdCl2 | (ii) | Ziegler-Natta polymerization |
| (C) | CuCl2 | (iii) | Contact process |
| (D) | V2O5 | (iv) | Deacon’s process |
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The following values have same significant figures, EXCEPT ______.
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At high altitudes, the boiling point of water gets lowered because ______.
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Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
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Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte 1 molal aqueous solution at 100°C is ______.
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The edge length of fee type unit cell of copper having an atomic radius of 127.6 pm is equal to ______
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`"E"_"cell"^0` for the reaction, \[\ce{2H2O -> H3O+ + OH-}\] at 25°C is - 0.8277 V. The equilibrium constant for the reaction is ______.
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The total number of π-bond electrons in the following structure is ______.
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Under what conditions a biomolecular reaction may be kinetically of first order?
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Be 2+ is isoelectronic with which of the following ions:
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