AIEEE Chemistry Level – I

April 7th, 2011 by seenu Leave a reply »
01. Which of the following atoms has the lowest ionization potential?





02. Nylon threads are made of ?





03. If at 298 K the bond energies of C-H, C-C, C = C and H-H bonds are respectively 414, 347, 615 and 435 kJ /mol, the value of enthalpy change for the reaction
will be.







04. The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were 256 g, the mass of it remaining undecayed after 18 hours would be





05. In curing cement plasters water is sprinkled from time to time. This helps in ?





06. Butene-1 may be converted to butane by reaction with ?





07. Glass is a ?





08. Which one of the following characteristics is not correct for physical adsorption ?





09. Consider the reaction equilibrium


On the basis of Le Chatelier’s principle, the condition favourable for the forward reaction is





10. Standard reduction electrode potentials of three metals A,B and C are respectively +0.5 V, -3.0 V and -1.2 V. The reducing, powers of these metals are ?







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