Q53 · CSIR NET Chemistry, June 2021
Paper: CSIR NET June 2021 · Subject: Organic Chemistry · Chapter: General Organic Chemistry · Topic: General Organic Chemistry – General · Marks: 2 · Difficulty: Medium
The pKa values for the following compounds 
A 
B 
C Are in the order
A B C Are in the order(a)B $>$ C $>$ A
(b)A $>$ B $>$ C
(c)C $>$ B $>$ A
(d)B $>$ A $>$ C
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
pKa: dimethyl malonate ≈ 13 (B) > acetylacetone ≈ 9 (A) > Meldrum's acid ≈ 4.8 (C). B > A > C (d).
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