(a) Complete the following equations:(i)RCH_(2)OH overset(1. Alk. KMnO_(4))underset(2. H_(2)O)(to) (ii) CH_(3)COONa overset(CaO)underset(NaOH)(to)(b) Explain Aldol condensation reaction for acetaldehyde. Write equation.(c) What is Formalin solution?

(a) Complete the following equations:(i)RCH_(2)OH overset(1. Alk. KMnO

1.	(a) Complete the following equations:(i)RCH_(2)OH overset(1. Alk. KMnO_(4))underset(2. H_(2)O)(to) (ii) CH_(3)COONa overset(CaO)underset(NaOH)(to)(b) Explain Aldol condensation reaction for acetaldehyde. Write equation.(c) What is Formalin solution?
Answer» Solution :(a) (i) R - COOH Carboxylic acid. (ii) `CH_(4) + NO_(2) CO_(3)` (B) Aldehydes and ketones having atleast one hydrogen undergo a reaction in the presence of dilute alkali as catalyst to form b-hydroxyaldehydes (aldol) or b-hydroxy ketones (KETOL).The aldol and ketol, on heating readily lose WATER to give, p, b-unsaturated carbonyl compounds. This reaction is CALLED aldol condensation. Example-1 `underset("Ethanal")(2CH_(3)CHO) hArr underset("Aldol")(CH_(3)-underset(OH)underset(\|)(C)H-CH_(2))-CHOunderset(-H_(2)O)overset(Delta)to underset("Aldol condensation product")(CH_(3)-CH=CH-CHO)` Example 2: `2CH_(3)COCH_(3) overset(Ba(OH)_(2))hArr underset("Ketol")(CH_(3)-underset(OH)underset(\|)overset(CH_(3))overset(\|)(C)-CH_(@))COCH_(3) underset(-H_(2)O)overset(Delta)to underset("Aldol condensation product")(CH_(3)-overset(CH_(3))overset(\|)(C)=CH-CO-CH_(3))` (c) 40% aqueous solution of formaldehyde.