Question # 1

Noble gases are sparingly soluble in water owing to.

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Dipole -dipole interactions

Dipole -induced dipole interactions

Hydrogen bonding

Induced dipole -instantaneous dipole interactions

The colour of Ni2+ ion is.

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Blue

Green

deep green

Orange

According to SHAH concept the Lewis bases were classified on the basis os.

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Charge ion size

Polarization consideration

Electron and co coordinating ability

All of above

Which of the following halide has lowest melting point.

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NaCl

NaF

NaBr

NaI

O2 molecule is.

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Fermagnetic

Forromagnetic

Paramagnetic

Diamagnetic

CFT can very well explain

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Color

Magnetic properties

Spectra of transition metal

All

Metallic bond is treated essentially as in character

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Ionic

Covalent

Polar

Non polar

In each period the most electro negative element belongs to.

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^{Group -1}

Group -17

Group -2

Group -18

When a lead a storage battery is discharged .

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SO2 is evolved

PbS is consumed

Pb is formed

H2SO4 is consumed

Used for sterilizationof drinking water

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F

Br

Cl

I

Hypo is used in photography to.

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Reduce AgBr to metallic silver

Remove silver a silver salt

Remove undecomposed silver bromide as soluble complex

Remove reduced silver

Is a chain silicate

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Olivine

Tremolite

Beryl

Zeolite

Which of the following alkaline earth metals occurs in radioactive form in nature.

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Ca

Mg

Ra

Ba

The state of hybridization of carbon in CO2 is

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sp2

sp

sp3

dsp2

Which process of adsorption of hydrogen on palladium is known as.

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Syneresis

Occlusion

Diffusion

Erosion

In group 17, the element with highest first ionization enthalpy belongs to.

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Period 1

Period 2

Period 7

Period 6

Which of the halogens has lowest bond energy.

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Cl2

Br2

F2

I2

In the forth floatation process for the purification of ores, the ore particles float because.

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They are light

Their surface is not easily vetted by water

They bear electrostatic charge

They are insoluble

Electron gas theory is able to explain

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Metallic lusture and optical properties

Malleability and ductility

High electrical and thermal conductivity

All of the above

Which of the following is not known.

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KrF6

XeF6

XeO3

KrF2

Which one of the following statements regarding BF3 is not correct.

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It is an ionic compound

It is an electron deficient compound

It is a Lewis acid

It forms adducts

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PPSC Chemistry Part III Inorganic Chemistry Online Test MCQs With Answers

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