The number of reagents is used for given conversion.

(1) $\mathrm{Zn}-\mathrm{Hg}/\mathrm{HCl}$

(2) ${\mathrm{N}}_2{\mathrm{H}}_4/{\mathrm{OH}}^{-}$

(3) ${\mathrm{N}}_2{\mathrm{H}}_4/{\mathrm{H}}_2{\mathrm{O}}_2$

(4) 

(5) ${\mathrm{LiAlH}}_4$

(6) ${\mathrm{NaBH}}_4$

(7) ${\mathrm{BH}}_3/\mathrm{THF}$

Select the number of alkene which on reduction ozonolysis gives ketone as one of product.

(1)

(2) ${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2$

(3) ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

(4) 

(5) ${\mathrm{CH}}_2={\mathrm{CH}}_2$

(6)

(7) 

Number of dibromo products formed in above reaction.

How many G.I. is possible for given alkene.

${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

Number of compound which can show faster rate of ${\mathrm{S}}_{\mathrm{NAR}}$ than 

(1) 

(2) 

(3) 

(4) 

(5) 

(6) 

(7)

Number of compound which cannot involve in Fridal craft reaction.

(1) 

(2) 

(3) 

(4) 

(5) 

(6) 

Among the following, the number of ortho para directing with activating group.

(1) $-{\mathrm{NH}}_2$

(2) $-\mathrm{OH}$

(3) $-\mathrm{OMe}$

(4) $-\mathrm{Cl}$

(5) $-\mathrm{O}-\stackrel{\underset{\parallel }{\mathrm{O}}}{\mathrm{C}}-{\mathrm{CH}}_3$

(6) $-\mathrm{NH}-\stackrel{\underset{\parallel }{\mathrm{O}}}{\mathrm{C}}-{\mathrm{CH}}_3$

(7) $-{\mathrm{CCl}}_3$

(8) $-{\mathrm{CF}}_3$

(9) $-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}$

(10) $-{\mathrm{NO}}_2$

(11) $-\mathrm{COOH}$

Among the following the number of reagents can be used to generate $\stackrel{\oplus }{\mathrm{N}}{\mathrm{O}}_2$ in nitration of benzene rings..

(1) conc. ${\mathrm{HNO}}_3+$conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$

(2) ${\mathrm{HNO}}_3+{\mathrm{HClO}}_4$

(3) Solid ${\mathrm{N}}_2{\mathrm{O}}_5$

(4) conc. ${\mathrm{HNO}}_3+$conc.${\mathrm{HNO}}_2$

(5) conc.${\mathrm{H}}_2{\mathrm{SO}}_4$

(6) ${\mathrm{NaNO}}_2+\mathrm{HCl}$