Questions

The correct order of ease of deprotonation of labelled H-atoms is:

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1 > 3 > 2 > 4

1 > 2 > 3 > 4

1 > 4 > 2 > 3

1 > 3 > 4 > 2

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detailed solution

Correct option is C

Acidic strength order is :−SO3H>COOH>−CH2−NO2>−CH2CHO

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COLUMN - I Reaction		COLUMN - II Product
a.	$\begin{aligned} (COOH)_{2} \cdot 2 H_{2} O \frac{Δ}{105^{\circ} C} \to \\ (I) \end{aligned}$	p.	$2 {CO}_{2} + H_{2} O$
b.	$\begin{aligned} (I) \frac{Δ at 200^{\circ} C}{or} → \\ H_{2} {SO}_{4}, at 90^{\circ} C \end{aligned}$	q.	$(COOH)_{2}$
c.		r.	$CO + {CO}_{2} + H_{2} O$
d.	$(I) \frac{Δ}{{KMnO}_{4}}$	s.	Carbon suboxide $(O = C = C = C = O)$
e.	$2 HCOONa \frac{Δ, 360^{\circ} C}{H_{3} O^{\oplus}}$	t.	$MeCOOH + {CO}_{2}$
f.