A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO2. The empirical formula of the hydrocarbon is:
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Match the catalysts to the correct processes : Catalyst(A) TiCl3(B) PdCl2(C) CuCl2(D) V2O5Process(i) Wacker process(ii) Ziegler - Natta polymerization(iii) Contact process(iv) Deacon’s process
The standard Gibbs energy change at 300 K for the reaction 2A⇔B+C is 2494.2J. At a given time, the composition of the reaction mixture is [A]=21,[B]=2and[C]=21. The reaction proceeds in the : [R=8.314J/K/mol,e=2.718]
The integral ∫(x4−1)41dx equal:
Which compound would give 5 - keto - 2- methyl hexanal upon ozonolysis ?
3 g of activated charcoal was added to 50 mL. of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram of charcoal) is :
A red LED emits light at 0.1 watt uniformly around it. The amplitude of the electric field of the light at a distance of 1 m from the diode is :
If x=−1and x=2are extreme points of f(x)=αlog∣x∣+βx2+x, then
The number of integers greater than 6,000 that can be formed, using the digits 3,5,6,7and8, without repetition, is :