Aldehyde ketones & carboxylic Acid MCQs for NEET — Chemistry Questions with Answers

 $\stackrel{\mathrm{\delta }+}{\mathrm{C}}{\mathrm{H}}_2=\mathrm{CH}-\mathrm{CH}=\stackrel{\mathrm{\delta }-}{\mathrm{O}}$

 $\stackrel{\mathrm{\delta }+}{\mathrm{C}}{\mathrm{H}}_2=\stackrel{\mathrm{\delta }+}{\mathrm{C}}\mathrm{H}-\mathrm{CH}=\stackrel{}{\mathrm{O}}$

 $\stackrel{\mathrm{\delta }+}{\mathrm{C}}{\mathrm{H}}_2=\stackrel{}{\mathrm{C}}\mathrm{H}-\mathrm{CH}=\stackrel{\delta +}{\mathrm{O}}$

 $\stackrel{\mathrm{\delta }+}{\mathrm{C}}{\mathrm{H}}_2=\mathrm{CH}-\stackrel{\mathrm{\delta }+}{\mathrm{C}}\mathrm{H}=\mathrm{O}$

K₂Cr₂O₇/H⁺                           

CO + Rh

KMnO₄                                   

H₃PO₄

iodoform test

2:4 DNP test

 ${\mathrm{NH}}_3$ reaction

Wolff-Kishner's reduction

acidified copper sulphate solution

ammoniacal cuprous chloride solution

copper sulphate, Rochelle salt + NaOH

none of the above

Methanal                                 

Ethanal

Trichloroethanal                       

Benzaldehyde

only electrophiles

only nucleophiles

only free radicals

both electrophiles and nucleophiles

3-hexanone                         

2,4-hexanedione

2,5-hexanedione                   

2,3-hexanedione

Butan-2-one                         

Acetic acid

Acetamide                             

Ethyl acetate

 $$\begin{gathered} \mathrm{O} \\ \parallel \\ {\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2\mathrm{C}-{\mathrm{CH}}_3 \end{gathered}$$

 $({\mathrm{CH}}_3{)}_2\mathrm{C}=\mathrm{O}$

 ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHO}$

 ${\mathrm{CH}}_3\mathrm{CHO}$

9 $\mathrm{\sigma }$-bonds, 1$\mathrm{\pi }$-bond and 2 lone pairs

8 $\mathrm{\sigma }$-bonds, 2$\mathrm{\pi }$-bonds and 2 lone pairs

10 $\mathrm{\sigma }$-bonds, 1$\mathrm{\pi }$-bond and 1 lone pair

 9 $\mathrm{\sigma }$-bonds, 2$\mathrm{\pi }$-bonds and 1 lone pair