Na₂B₄O₇ $$\buildrel {heat} \over \longrightarrow $$ X + NaBO₂

in the above reaction the product "X" is :

Match List-I with List-II.

Choose the correct answer from the options given below:

Which of the following statement is not correct about diborane?

Given below are two statements

Statement I : The boiling points of the following hydrides of group 16 elements increases in the order -

H₂O < H₂S < H₂Se < H₂Te

Statement II : The boiling points of these hydrides increase with increase in molar mass.

In the light of the above statements, choose the most appropriate answer from the options given below :