Question # 1

An Inorganic chemistry places one mle of PCl5 in container A and one mole of each Cl2 and PCl3 in container B. Both the containers were sealed and heated to the same temperture to reach the stte of equilibrium Guess about the composition of mixtures in both the containers.

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Both the containers wil have zero concentration of its reactants.

Both the containers wil hae the same composition of mixtures

Container A will have more concentraion of PCl3 than B.

Container A will have less concentraion of PCl3 than B.

A bond formed between two non metals is expected to be

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Ionic

Coordinate covalent

Metallic

Covalent

If the Delta H value is negative then reaction witll be

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Endotermic

Exothermic

May or may not be exothermic or endothermic

None of these

Hydrogen bound ing is always found in

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Non-polar molecules

Homoatomic molecules

Polar Molecules

All of the above

Covalent Bond involves the

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Sharing of electrons

Repulsion of electrons

Acceptance of electrons

Donation of electrons

The forward reaction takes place from

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Right to left

Left to right

Both a and b

None of these

Which of the following is insoluble salt

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KCl

AgCl

NaCl

CaCl2

Which of the following grops contain alkaline earth metals.

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I A

II A

VII A

VIII A

Acid rain has pH less than.

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6

7

7.4

5.6

How many electrons can be accommodated at the msot in the third shell of the elements.

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8

12

10

18

Predict which components of the amosphere react in the presence of lightening.

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N2 and H2O

O2 and H2O

N2 and O2

CO2 and O2

What conditon Should be met for the reversible reactio to achieve the state of equilibrium.

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The concentratio of all the reactants and the prodduct should become constant

all the reactants should be converted into the product

50% of the reactant shuld be converted into prodcuts.

One of the product should be removed from the reaction mixture.

The new substance formed in a chemcial reaction is.

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Reverse

Reactant

Forward

Product

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