1
KCET 2020
MCQ (Single Correct Answer)
+1
-0

The steps involved in the conversion of propan -2-ol to propan -1-ol are in the order

A
dehydration, addition of $$\mathrm{HBr}$$, heating with aq. $$\mathrm{KOH}$$
B
heating with $$\mathrm{PCl}_5$$, heating with alc. $$\mathrm{KOH}$$, acid catalysed addition of water
C
heating with $$\mathrm{PCl}_5$$, heating with alc. $$\mathrm{KOH}$$, hydroboration oxidation
D
dehydration, addition of $$\mathrm{HBr}$$ in presence of peroxide, heating with alc. $$\mathrm{KOH}$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Match the following acids with their $$pKa$$ values :

Acid $$pKa$$
A. Phenol i. 16
B. $$p$$-Nitrophenol ii. 0.78
C. Ethanol iii. 10
D. Picric acid iv. 7.1

A
A - iii, B - iv, C - i, D - ii
B
A - ii, B - i, C - ii, D - iv
C
A - iii, B - i, C - iv, D - ii
D
A - iv, B - ii, C - iii, D - i
3
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which of the following can be used to test the acidic nature of ethanol?

A
Blue litmus
B
$$\mathrm{Na}_2 \mathrm{CO}_3$$
C
$$\mathrm{NaHCO}_3$$
D
Na metal
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