A.—I>—Br>—Cl B.—SH>—OH>—NH2 C.—CH2CH3>—CH3>—H D.—CH2CH2CH3>—CH(CH3)2>—C(CH3)3
A.HI>HBr>HCl B.HBr>HCl>HI C.HCl>HI>HBr>HF D.HCl>HI>HB
A.CnH2n B.CnH2n-2 C.CnH2n+2 D.CnHn