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Two gases $A$ and $B$ which react according to the equation
${aA}_{(g)} + {bB}_{(g)} ⟶ {cC}_{(g)} + {dD}_{(g)}$
to give two gases $C$ and $D$ are taken (amount not known) in an Eudiometer tube (operating at a constant Pressure and temperature) to cause the above.

If on causing the reaction there is no volume change observed then which of the following statement is/ are correct.

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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-2>Q 42

A mixture of

C_{3} H_{8} (g)

O_{2}

having total volume

100 ml

in an Eudiometry tube is sparked & it is observed that a contraction of

45 ml

is observed what can be the composition of reacting mixture.

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 43

A mixture of

100 ml

CO, {CO}_{2}

and

O_{2}

was sparked. When the resulting gaseous mixture was passed through

KOH

solution, contraction in volume was found to be

80 ml

, the composition of initial mixture may be (in the same order)

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 44

An organic compound is burnt with excess of

O_{2}

to produce

{CO}_{2} (g)

and

H_{2} O (l)

, which results in

25 %

volume contraction. Which of the following option(s) satisfy the given conditions.

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 45

100 ml

mixture of

CO

and

{CO}_{2}

mixed with

30 mL

O_{2}

and sparked in eudiometer tube. The residual gas after treatment with aq.

KOH

has a volume of

10 mL

which remains unchanged when treated with alkaline pyrogallol. If all the volumes are under the same conditions, point out correct options(s):

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 46

1 mol

of iron

(Fe)

reacts completely with

0.65 {molO}_{2}

to give a mixture of only

FeO

and

{Fe}_{2} O_{3} .

Mole ratio of ferrous oxide to ferric oxide is :-

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 47

The molar ratio of

{Fe}^{+ +}

{Fe}^{+ + +}

in a mixture of

{FeSO}_{4}

and

{Fe}_{2} {({SO}_{4})}_{3}

having equal number of sulphate ion in both ferrous and ferric sulphate is :-

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 48

An ore of iron, Wustite has the formula

F_{0.93} O_{1.00} .

The mole fraction of total iron present in the form of

Fe (II)

is :-

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Beta Question Bank for Engineering: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>EXERCISE-2>Q 49

$28 {NO}_{3}^{-} + 3 {As}_{2} S_{3} + 4 H_{2} O \to 6 {AsO}_{4} {}^{3 -}+ 28 NO + 9 {SO}_{4} {}^{2 -}+ H^{+}$

What will be the equivalent mass of ${As}_{2} S_{3}$ in above reaction

Important Questions on Some Basic Concepts of Chemistry

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