In each of the following questions, a sequence of groups of letters and number is given with one term missing as shown by (?). Choose the missing term out of the given alternatives. 2Z5, 7Y7, 14X9, 23W11, 34V13, ? 1) 27U24 2) 47U15 3) 45U15 4) 47V14 5) None of these
If A=[(x,-2),(3,7)] and A^(-1)=[(7/34,1/17),((-3)/34,2/17)] ,then the value of x is
NTSE/OLYMPIAD (Question 1-34)
Reduction potentials of four elements P, Q, R, S is -2.90V, 0.34V, 1.2V and -0.76V . The decreasing order of reducing power is
Arrange the following reducing agents in the order of increasing strength under standard state condition. Justify the answer. {:("Element",Al(s),Cu(s),Cl(aq),Ni(s)),(E^(@),-1.66V,0.34V,1.36V,-0.26V):}
