17. 1) Zn/HCI 2) Cr2O3, 773 K 10-20 atm Considering the above reaction, the major product among the following is: CH3 CH3 (A) (C) COCH2CH3 18. Match List-I with List-II. List-I (Molecule) CH2CH3 (B) (D) CH2CH2CH3 List-II (Bond order) 19. 20. (A) Ne (B) N (C) F2 (i) 1 (ii) 2 (iii) O (iv) 3 (D) O2 Choose the correct answer from the options given below: (a) (A)(iv), (B) (iii), (C) (ii), (D) (i) (c) (A)(ii), (B)(i), (C)(iv), (D) (iii) Which pair oxides in acidic in nature? (a) N2O, BaO (b) BO3, SiO2 (b) (A) (i), (B)(ii), (C) (iii), (D) (iv) (d) (A) (iii), (B)(iv), (C)(i), (D) (ii) (c) B2O3, CaO (d) CaO, SiO2 Seliwanoff test and Xanthoproteic test are used for the identification of............and.......... respectively. (a) ketoses, proteins (b) aldoses, ketoses (c) proteins, ketoses (d) ketoses, aldoses