Effect of some compounds (present in partially digested food) on pancreatic seretion is depicted in the bar graph. Compounds 1,2 and 3 r4epresent.

In which of the following compounds, 3c-2e bond is present-

What is the following compounds (Give equations for the reactions)?What is the effect of heat on the following compounds (Give equations for the reactions)? (1) CaCO_(3) , (ii) CaSO_(4).2H_(2)O

Write the metals present in the following compounds : (4) Vit. B_(12) .

Find the total number of atoms present in a compound of xenon where oxygen and fluorines are present in 1:2 ratio and compound is non-polar.

A xenon compound 'A' upon partial hydrolysis gives XeO_2F_2 . The number of lone pair of electrons present in compound A is ........... (Round of to the nearest integer)