Write the structure of `HNO_(3)`.

Explain the following situations : (i) In the structure of HNO_(3) molecule , the N-O bond (121 pm) is shorter than N-OH bond (140pm). (ii) SF_(4) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (iii) XeF_(2) has a straight linear structure and not a bent angular structure.

Explain the following observation : In the structure of HNO_(3) the N-O bond (121 pm) is shorter than the N-OH bond (140 pm).

Write the structure of 3-oxopentanal.

Write the structure of 3-pentanone.

Write the structure of 3-Hydroxybutanal

Write the structure of 3-methyl butanal.

Write the structure of 3,5,7-Trimethyl decane.

Write the structure formula of the following : (i) 3-hydroxybutanal