Nios Home Science (321) Tutor Marked Assignment

Nios Chemistry (313) Tutor Marked Assignment 2021-22 Question paper

Nios Chemistry (313) Tutor Marked Assignment 2021-22 Question paper Get here Best Assignment Answers for Nios Chemistry (313) Tutor Marked Assignment Tutor Marked Assignment 2021-22 with Project Work. We provide two types of assignment file like In PDF and handwritten copy. You can order any one type of assignment file. Click Here!! contact us -9582489391 or wthatsapp For their Answer please - click here Chemistry (313) -Tutor Marked Assignment 2021-22  Note : (i) All questions are compulsory. The Marks allotted for each question are given beside the questions. (ii) Write your name, enrollment numbers, AI name and subject on the first page of the answer 1. Answer any one of the following questions in about 40-60 words. (a) An element occurs in the bcc structure with cell edge 288 pm. The density of the element is 7.2 gm. How many atoms of the element does 208g of the element contain? (b) Arrange the following in order of increasing for ionisation enthalpy. Testify your answer. B,C,N,O. 2. Answer any one of the following questions in about 40-60 words. (i) Chlorine has more negative electron gain enthalpy as compared to fluorine. Why? (ii) Nitrogen is a gas but phosphorous is solid Why? (See Lesson 3 and Lesson 19) (b) What happens when Borax (Na2 B4O7 .10H2O) is treated with Conc. H2 SO4 Give Chemical reaction. 3. Answer any one of the following questions in about 40-60 words. (a) What is role of MnO2 (Maganese dioxide) in the decomposition of KC1O3 (Potassium chlorate)? (b) What happen when NH3 is reacted with excess of Cl2 . Give Chemical equation. 4. Answer any one of the following questions in about 100 to 150 words. (a) Calculate the free energy change per mole for the following reactions. (i) CaCO3 (s) + CaO(s) + CO2 (g) 298K ∆H = 117.9 kJ, ∆S = 160.4JK–1 (ii) 2 NO2 (g) + N2O4 (g), 298K ∆H...