15
MCQ (Single Correct Answer)
Mark the correct increasing order of reactivity of the following compounds with HBr / HCl.
A
I $<$ II $<$ III
B
II $<$ I $<$ III
C
II $<$ III $<$ I
D
III $<$ II $<$ I
16
MCQ (Single Correct Answer)
Arrange the following compounds in increasing order of boiling point. Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
A
Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol
B
Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
C
Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol
D
Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
17
MCQ (Multiple Correct Answer)
Which of the following are used to convert RCHO into $\mathrm{RCH}_2 \mathrm{OH}$ ?
A
$\mathrm{H}_2 / \mathrm{Pd}$
B
$\mathrm{LiAlH}_4$
C
$\mathrm{NaBH}_4$
D
Reaction with $R M g X$ followed by hydrolysis
18
MCQ (Multiple Correct Answer)
Which of the following reactions will yield phenol?
A
B
C
D
19
MCQ (Multiple Correct Answer)
Which of the following reagents can be used to oxidise primary alcohols to aldehydes?
A
$\mathrm{CrO}_3$ in anhydrous medium
B
$\mathrm{KMnO}_4$ in acidic medium
C
Pyridinium chlorochromate
D
Heat in the presence of Cu at 573 K