1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following is a false statement?

A
Methoxymethane has higher boiling point than ethanol.
B
Alcohols are more soluble is water than hydrocarbons of comparable molecular mass.
C
ortho-and para-nitrophenols are more acidic than phenols.
D
Phenol is more acidic than alcohol.
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules does not exhibit dipole moment?

(i) CCl$$_4$$ (ii) CO$$_2$$ (iii) NH$$_3$$ (iv) CHCl$$_3$$ (v) H$$_2$$O (vi) CH$$_3$$$$-$$O$$-$$CH$$_3$$

A
(ii), (v), (iv)
B
(i), (iii), (vi)
C
(i), (ii)
D
(iii), (iv), (vi)
3
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following is highly basic?

A
Diphenylamine
B
Benzylamine
C
Aniline
D
Triphenylamine
4
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The relation between work done in reversible and irreversible process is

A
$${W_{irr}} > {W_{rev}}$$
B
$${W_{irr}} < {W_{rev}}$$
C
$${W_{irr}} = {W_{rev}}$$
D
$${W_{irr}} \ne {W_{rev}}$$
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