1
KCET 2025
MCQ (Single Correct Answer)
+1
-0
$$ \text { Match the following with their } \mathrm{pKa} \text { values } $$
| Acid | pKa |
| (I) Phenol | (a) 16 |
| (II) p-Nitrophenol | (b) 0.78 |
| (III) Ethyl alcohol | (c) 10 |
| (IV) Picric acid | (d) 7.1 |
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0
$$ A \text { and } B \text { respectively are } $$
A
B
C
D
3
KCET 2024
MCQ (Single Correct Answer)
+1
-0
8.8 g of monohydric alcohol added to ethyl magnesium iodide in ether liberates $2240 \mathrm{~cm}^3$ of ethane at STP. This monohydric alcohol when oxidised using pyridinium-chloro-chromate, forms a carbonyl compound that answers silver mirror test (Tollen's test). The monohydric alcohol is
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0
When a tertiary alcohol ' $A^{\prime}\left(\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\right)$ reacts with $20 \% \mathrm{H}_3 \mathrm{PO}_4$ at 358 K , it gives a compound ' $B^{\prime}\left(\mathrm{C}_4 \mathrm{H}_8\right)$ as a major product. The IUPAC name of the compound ' $B$ ' is
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