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Q. A compound, containing only carbon, hydrogen and oxygen, has a molecular weight of 44. On complete oxidation it is converted into a compound of molecular weight 60. The original compound is ?

Q. Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound ……………

Q. The number of possible enantiomeric pairs that can be produced during monochlorination of 2- methylbutane is ……..

Q. Which one of the following will produce a primary alcohol by reacting with CH3MgI……..

Q. Acetic acid and CH3 are obtained on large scale by destructive distillation of…..

Q. A reaction between methyl magnesium bromide and ethyl alcohol gives……….

Q. Grignard reagent is not prepared in aqueous medium but prepared; in ether medium because the reagent…………..

Q. What is the molecular formula of the alkane, the 5.6 litre of which weight 11 g at STP……….

Q. Sodium ethoxide is a specific reagent for……………

Q. Ethyne on reaction with water in the presence of HgSO4 and H2SO4 gives……….