Write down the structural formula of the principal constituent of LPG. OR Write down the structural formula of 1, 1, 2, 2 tetrabromoethane.

Write down the names of two organic compounds with different functional groups designated by the formula C2H6O.

Which compound is used to prepare melamine ?

Write one use of denatured spirit.

Write IUPAC name for CH3CH=CH2 [1] OR What is the disposition of the four valencies of carbon in methane?

Which of the following is an alcohol? CH3OCH3 CH3CHO CH3COOH CH3CH2OH

What is a denatured spirit? OR Write one use each of Ethyl alcohol and Acetic acid.

Identify the chemical reaction which yields chloroform (a) CH4 + Cl2 (b) CH3Cl + Cl2 (c) CH2Cl2 + Cl2 (d) CHCl3 + Cl2

Identify the triple bond unsaturated hydrocarbon: (a) CH₄ (b) C₂H₆ (c) C₂H₄ (d) C₂H₂

Write the name of monomer of a polymer which is used to prepare non-stick utensils.

Which gaseous hydrocarbon is used for ripening of fruits?

The value of the H-C-H bond angle in a methane molecule is – (a) 109°28' (b) 108°29' (c) 100° (d) 180°