[" Which of the following is not aromatic "],[[" (1) Benzene "," (2) Naphthalene "," (3) Pyndine "," (4) 1.3.5heptatriene "]]

A = {1,2,3,4,5}. Which of the following is true ?

Which of the following does not satisfy Huckel's rule? (a) Benzene (b) 1, 3-cyclobutadiene (c) Naphthalene (d) Furan

Which of the following is a proper fraction? 4/3 (b) 3/4 (c) 1 3/4 (d) 2 1/5

Which of the following is a proper fraction? (a) 4/3 (b) 3/4 (c) 1 3/4 (d) 2 1/5

Which of the following statements are true/false. 3/2+1/3=(3+1)/(2+3)=4/5

Which of the following benzenoid aromatic hydrocarbons consists of isolated benzene rings?

Which of the following number is divisible by 1,2,3,4,5 is………….

Suggest the route for the preparation of the following from benzene . 1) 3- chloro nitrobenzene 2) 4- chlorotoluene 3) Bromo benzene 4) m- dinitro benzene