1
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The Henry's law constant for the solubility of N$$_2$$ gas in water at 298 K is 1.0 $$\times$$ 10$$^5$$ atm. The mole fraction of N$$_2$$ in air is 0.8. The number of moles of N$$_2$$ from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

A
4.0 $$\times$$ 10$$^{-4}$$
B
4.0 $$\times$$ 10$$^{-5}$$
C
5.0 $$\times$$ 10$$^{-4}$$
D
4.0 $$\times$$ 10$$^{-6}$$
2
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The reaction of P$$_4$$ with X leads selectively to P$$_4$$O$$_6$$. The X is

A
Dry O$$_2$$.
B
A mixture of O$$_2$$ and N$$_2$$.
C
Moist O$$_2$$.
D
O$$_2$$ in the presence of aqueous NaOH.
3
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The correct acidity order of the following is

IIT-JEE 2009 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 11 English

A
(III) > (IV) > (II) > (I)
B
(IV) > (III) > (I) > (II)
C
(III) > (II) > (I) > (IV)
D
(II) > (III) > (IV) > (I)
4
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is

A
Nylon
B
Poly(vinyl chloride)
C
Cellulose
D
Natural Rubber
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