question_answer10) (i) Draw a systematic graph showing how the rate of a 1st order reaction changes with change in the concentration of the reactants. 1 (ii) Rate of reaction of one reaction . What are the units for the rate and rate constant for this reaction? 1View Answer play_arrow
question_answer19) (a) State two main differences between globular protein and fibrous protein. 1 (b) Name the main disease caused due to lack of the vitamin and its sources in each of the following: . 2View Answer play_arrow
question_answer24) If E? copper electrode is + 0.34 V, how will you calculate its e.m.f. value when the solution in contact with it is 0.1 M in copper ions? How does e.m.f. for copper electrode change when concentration of ions in the solution is decreased.View Answer play_arrow
question_answer29) (a) Give reasons of the following : (i) The transition metal and their compounds acts as good catalyst. 1 (ii) The E? value for couple is much more positive than the lanthanoid contraction. 1 (iii) The enthalpies of atomisation of transition elements are high. 1 (b) State the probable oxidation states of the transition metals with the following configuration in their ground state: 2 (i) (ii) (iii) (iv) .View Answer play_arrow
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