Std 11th Chemistry | Practice Question Paper | Maharashtra Board | Unit Test |

Two friends Rohit and John, students of chemistry once discussing on periodic table, reach to a conclusion that because of Aufbau rule and other principles their thoughts are restricted for further discussion on electronic arrangements of atoms.They decided not be obey Aufbau rule and capacity of each orbital is increased to three electrons i.e. instead of two each orbital can take maximum of three electrons.Now on th basis of new arrangement of rohit and john answer the following questions assuming the total no of elements is 112. What is the block of the elements with atomic number 9,28,44 ?

Use graph paper for this question: (i) Draw the graphs of 3x-y-2=0 and 2x+y-8=0 . Take 1 cm=1 unit on both the axes and plot only three points per line. (ii) Write down the co-ordinates of the point of intersection and the area of the triangle formed by the lines and the x-axis.

Use graph paper for this question. Take 2cm=1 unit on both the axes. Locate the point P such that PA= PB and P is equidistant from AB and AC.

The diagram given below represents two reproductive cells A and B. Study the same and then answer the questions that follow: (i) Identify the reproductive cells A and B. (ii) Name the specific part of the reproductive system where the above cells are produced (iii) Where in the female reproductive system do these cells unite ? (iv) Name the main hormones secreted by the (1) ovary (2) testes. (v) Name an accessory gland found in the male reproductive system and state the function of its secretion.