Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 62

HARD

JEE Main/Advance

IMPORTANT

Earn 100

$10 ml$ of gaseous hydrocarbon is exploded with $100 ml O_{2}$ . The residual gas on cooling is found to measure $95 ml$ of which $20 ml$ is abosorbed by $KOH$ and the reminder by alkaline pyrogallol. The formula of the hydrocarbon is:

50% studentsanswered this correctly

Important Questions on States of Matter: Gases and Liquids

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 63

The

Ne

atom has

10

times the mass of

H_{2}

. Which of the following statements are true?

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 64

Following represent the Maxwell distribution curve for an ideal gas at two temperature $T_{1}$ and $T_{2} .$ Which of the following option(s) are true?

Question Image

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 65

If for two gases of molecular weights

M_{A}

and

M_{B}

at temperature

T_{A}

and

T_{B},

T_{A} M_{B} = T_{B} M_{A_{s}}

then which property has the same magnitude for both the gases?

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 70

Gaseous decomposition of

A

follows

I^{st}

order kinetics. Pure

A (g)

is taken in a sealed flask where decomposition occurs as

A (g) \to 2 B (g) + C (g)

After

10

sec., a leak was developed in the flask. On analysis of the effused gaseous mixture (Obeying Graham's law) coming out initially, moles of

B

were found to be double of

A

. What is rate constant in

\sec^{- 1}

Given: Molecular weight of

A = 16,

Molecular weight of

B = 4,

Molecular weight of

C = 8

[\ln 3 = 1.1; \ln 2 = 0.7]

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 73

Viscosity is a measure of resistance of a liquid to flow and viscosity-

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-5>Q 1

One mole of Ideal gas $(C_{P, m} = 15 {JK}^{- 1} {mole}^{- 1})$ . follow the process as shown in figure. Predict the following:

Question Image

Nature of process

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-5>Q 2

Internal pressure of a perfect gas (ideal gas) is: