STD 6 MATHS CH 14 SWADHYAY 14.6 PART 2

5 6 14 45 ?

14 8 6 6 7 ?

14 6 4 4 8 ?

4, 6, 10, (12), 16, (14), 22

6 14 39 160 795 ?

Find the mode of the data : 14, 6, 9, 15, 14, 9, 21, 21, 25, 21, 27, 29, 21, 8, 6, 15, 25, 14, 21, 9, 21, 25, 27, 29, 6, 14, 21, 21, 27, 25, 27, 9, 15, 14, 9.

When 20g of a compound (A) (M.F. = C_(4)H_(10)O_(4)) reacts with excess of CH_(3)MgBr , 14.6 L of CH_(4) is obtained at STP. What is structure formula of (A) ?