Given below are two statements :

Statement (I) : The first ionization energy of Pb is greater than that of Sn .

Statement (II) : The first ionization energy of Ge is greater than that of Si .

In the light of the above statements, choose the correct answer from the options given below :

Match List - I with List - II.

	List - I		List - II
(A)	Adenine	(I)
(B)	Cytosine	(II)
(C)	Thymine	(III)
(D)	Uracil	(IV)

Choose the correct answer from the options given below :

Which of the following mixing of 1 M base and 1 M acid leads to the largest increase in temperature?

In the given structure, number of sp and $\mathrm{sp}^2$ hybridized carbon atoms present respectively are :