How will you synthesise 2-butanone from ethyl alcohol ?
Clue : Steps are (i) `SOCl_(2)` (ii) `Mg//"ether"` (iii) `CH_(3)CHO`, (iv) `H_(2)O //H^(+)` and (v) `Na_(2)Cr_(2)O_(7) // H_(2)SO_(4)`.

For which of the following gas mixtures is the dalton's law of partial pressure is applicable? (i) NO+O_(2) (ii) CO_(2)+CO (iiii) CO+O_(2) (iv) CH_(4)+C_(2)H_(6) (v) CO+H_(2) .

What is obtained when nitrobenzene is treated sequentially with (i) NH_(4)Cl//Zn dust and (ii) H_(2)SO_(4)//Na_(2)Cr_(2)O_(7) ?

Identify the saturated compounds : (i) CH_(3)CH_(2)CH=O (ii) C_(2)H_(5)CH=CH_(2) (iii) C_(2)H_(5)OH (iv) CH_(2)=CHCOOH

Which of the given solids is not an electrical conductor- (i) Mg(s) (ii) TiO(s) (iii) I_(2) (s) (iv) H_(2)O (s)

What is the shape of each of the given compounds? (i) H_(2)C = O (ii) CH_(3)CI (iii) HCN

To which class does each of the following oxides belong ? Why ? (i) SO_(2) (ii) Al_(2)O_(3) (iii) NO (iv) Na_(2)O

In which of the following reactions At 25^(@)C , does the standard enthalpy change correspond to the standard enthalpy of formation of H_(2)O(l) ? Give reasons. (i) H_(2)(g) +(3)/(2)O_(3)(g) to H_(2)O(l) (ii) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l) (iii) 2H(g)+O_(2)(g) to H_(2)O(l) .

How will you identify a colourless liquid as H_(2)O_(2) or H_(2) O?

(a) Write down the IUPAC name of [Fe(C_(2)O_(4))(H_(2)O)_(4)]_(2)SO_(4) .

Give the IUPAC names of the following ethers : (i) CH_(3)OCH_(2)-underset(CH_(3))underset(|)(CH)CH_(3)" " (ii) CH_(3)OCH_(2)CH_(2)Cl (iii) O_(2)N.C_(6)H_(4)-OCH_(3)(p)" " (iv) CH_(3)CH_(2)CH_(2)OCH_(3)