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A definite amount of gaseous hydrocarbon was burnt with just sufficient amount of $O_{2} .$ The volume of all reactants was $600 ml,$ after the explosion the volume of the products $[{CO}_{2} (g)$ and $H_{2} O (g)]$ was found to be $700 ml$ under the similar conditions. The molecular formula of the compound is

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Important Questions on Some Basic Concepts of Chemistry

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 39

C_{6} H_{5} OH (g) + O_{2} (g) ⟶ {CO}_{2} (g) + H_{2} O (l)

Magnitude of volume change if

30 ml

C_{6} H_{5} OH (g)

is burnt with excess amount of oxygen, is

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 40

10 ml

of a compound containing

' N'

and

' O'

is mixed with

30 ml

H_{2}

to produce

H_{2} O_{(I)}

and

10 ml

{N_{2}}_{(g)} .

Molecular formula of compound if both reactants reacts completely, is:

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 41

200 ml

of a gaseous mixture containing

CO, {CO}_{2}

and

N_{2}

on complete combustion in just sufficient amount, of

O_{2}

showed contraction of

40 ml .

When the resulting gases were passed through

KOH

solution it reduces by

50 %

then calculate the volume ratio of

V_{{CO}_{2}} : V_{CO} : V_{N_{2}}

in original mixture.

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 42

When

20 ml

of mixture of

O_{2}

and

O_{3}

is heated, the volume becomes

29 ml

and disappears in alkaline pyrogallol solution. What is the volume percent of

O_{2}

in the original mixture ?

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 43

A mixture of

C_{2} H_{2}

and

C_{3} H_{8}

occupied a certain volume at

80 mm Hg .

The mixture was completely burnt to

{CO}_{2}

and

H_{2} O (l) .

When the pressure of

{CO}_{2}

was found to be

230 mm Hg

at the same temperature and volume, the fraction of

C_{2} H_{2}

in mixture is

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 44

20 mL

of a mixture of

CO

and

H_{2}

were mixed with excess of

O_{2}

and exploded & cooled. There was a volume contraction of

23 mL .

All volume measurements corresponds to room temperature

(27 ° C)

and one atmospheric pressure. Determine the volume ratio

V_{1} : V_{2}

CO

and

H_{2}

in the original mixture

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 45

The

%

by volume of

C_{4} H_{10}

in a gaseous mixture of

C_{4} H_{10}, {CH}_{4}

and

CO

40 .

When

200 ml

of the mixture is burnt in excess of

O_{2} .

Find volume (in

ml

) of

{CO}_{2}

produced.

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-1>Q 46

An ideal gaseous mixture of ethane

(C_{2} H_{6})

and ethene

(C_{2} H_{4})

occupies

28

litre at

1 atm, 0 ° C .

The mixture reacts completely with

128 gm O_{2}

to produce

{CO}_{2}

and

H_{2} O .

Mole fraction at

C_{2} H_{6}

in the mixture is-

A definite amount of gaseous hydrocarbon was burnt with just sufficient amount of O2. The volume of all reactants was 600 ml, after the explosion the volume of the products CO2( g) and H2O(g) was found to be 700 ml under the similar conditions. The molecular formula of the compound is

Important Questions on Some Basic Concepts of Chemistry

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