AIEEE 2003 | Some Basic Concepts of Chemistry Question 194 | Chemistry

What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen?

67.2 L

44.8 L

22.4 L

89.6 L

AIEEE 2003

MCQ (Single Correct Answer)

-1

25 ml of a solution of barium hydroxide on titration with a 0.1 molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was

0.14

0.28

0.35

0.07

AIEEE 2002

MCQ (Single Correct Answer)

-1

With increase of temperature, which of these changes?

molality

weight fraction of solute

molarity

mole fraction

AIEEE 2002

MCQ (Single Correct Answer)

-1

In a compound C, H and N atoms are present in 9 : 1 : 3.5 by weight . Molecular weight of the compound is 108 g mol^-1 . Molecular formula of compound is

C₂H₆N₂

C₃H₄N

C₆H₈N₂

C₉H₁₂N₃

PREVIOUS NEXT

Questions Asked from Some Basic Concepts of Chemistry (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions