Question # 1

Which of the following compounds has the lowest anion to cation size ratio?

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LiF

NaF

CsI

CsF

Which of the following imparts violet colouration to the non-luiminous flame of Bunsen burner?

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NaCI

BaCI₂

CaCI₂

KCI

Sodium metal cannot be stored under

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Benzene

Kerosene oil

Alcohol

Toluene

If the solvent is inflammable for heating purpose we use

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Ice bath

Water bath

Wire gauze

Thermostat

For the carbylamine reaction we need hot alc.KOH and

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Any amin and chloroform

Chloroform and Ag powder

A primary amine and chloroform

A mono alkyl amine and trichlorom-ethane

Which of the following has greatest reducing power?

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HI

Hbr

HCI

HI

Inert pair effect plays an important role in case of

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F

AI

Si

TI

The equilibrium

Cr₂O^2-₇ 2CrO²₄ is shifted to right in

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An acidic medium

A basic medium

A neutral medium

It does not exist

Carbon atom holding halogen in aryl halides is

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Sp²-hybridesed

Sp³-hybridesed

Sp-hybridesed

Sp³d -hybridesed

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