The oxidation number of boron in NaBH 4 is

Ethanol reacts with concentrated tetraoxosulphate (V) acid at a temperature above 170 oC to form

Carbohydrates are large molecules with the molecular formula C x (H2O)y. In which of the following pairs is x not equal to y?

The saponification of an alkanoate to produce soap and alkanol involves

A compound contains 40.0% C, 6.7% H 53.3% O. If the molecular mass of the compound is 180, its molecular formula is [C =12, H =1,O]

Which of the following metals is the least reactive?

2 - methyl propan -2- ol is an example of a

An example of oxidation - reduction enzyme is

A common characteristic between zinc and the other transition elements is the ability to