Question # 1

Which of the following hydrogen halide is the weakest acid in solution.

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HF

HBr

HI

HCl

Amongst the following, the compound that can be most readily sulphonated is

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toluene

benzene

nitrobenzene

chlorobenzene

The fiber in which monomer isCH2=CH-Cl is known as

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Saran fiber

PVC

Rayon fiber

Arcylic fiber

Which compound is least reactive

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CH3-CH3

CH2=CH2

CH=CH

C6H6

Which of the following are mono-saccharides

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Fructose

Sucrose

Stach

Cellulose

f-block elements are also called

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non typical transition elements

outer transition elements

normal transition elements

inner transition elements

On earth polar ice caps and glacier contains H2O

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1%

2%

3%

10%

Which raw material is used for preparation of bleaching powder.

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Cl2 and H2O

Cl2 and Lime

Cl2 and HOCl

HCl and Lime

Hydrogen resembles in properties with

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IA, IV A and VII A elements

III A, IV A and V A elements

II A, IV A and VI A elements

II A, III A and VII A elements

Venyl acetylene combines with HCl in

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Polyacetylene

Benzene

Chloroprene

divinyl acetylene

Which of the following will have the highest boiling point.

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Methanal

Ethanal

Propanal

2-Hexanone

The type of hybridization in PCl3 is.

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dsp2

sp3

dsp3

d2sp3

For which mechanisms, the first step involved is the same

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E₁and E₂

E₂and SN₂

E₁and E₂

E₁and SN₁

Which of the following has highest boiling point

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Methanal

Ethanal

Propanal

2-hexanone

Which one of the following is calcareous material

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Marine shells

clay

Shale

Blast furnace slag

Element of which group reacts with hydrogen and form ionic hydrides.

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II A

IV A

V A

VI A

The reaction between Cu and conc. H2SO4 produces

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SO3

SO2

H2

Cu + ions

In IUPAC system, the name of K4[Fe(CN)6] is

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Potassium ferricynaide

Potassium ferrocynide

Potassium Hexacyanoferrate (II)

Poatssium hexacaynoferrate (III)

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