Question # 1

On industrial scale chlorine is prepared by

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Dennis method

Deacon's process

Plantner's process

Aludels process

The ionization energy of N is more than that of oxygen becasue.

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Nitrogen has half filled p orbitals

Nitrogen atom is smaller in size than oxygen atom

Nitrogen contains less number of electrons

Nitrogen is less electronegative

Phosphorus normally exhibit a covalency of.

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+1 and +2

+2 and +3

+3 and +4

+4 and +5

Which one has a co ordinate bond.

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Al2Cl6

BF3

NaCl

O2

Number of unpaired electrons in Cu2+ ions are.

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1

2

3

4

The maximum absorption in [Ti(OH)2)6 3+ take place at wavelength of.

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6000 A^o

10000 A^o

4000 A^o

5000 A^o

The geometry of Xe F2 is

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Triangular planar

Square planar

Linear

Trigonal bipyramidal

Electronegativity of oxygen is.

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2,5

3,5

2,4

2.1

Monel metal is a alloy of Ni which constrains Ni uptown

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50%

60%

70%

80%

An equal volume mixture explodes with violence

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H2 & N2O

H2 & NO

H2 & N2O4

H2 & N2O3

LiAIH4 is most useful reducing agent It reduce to alcohol

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Aldehydes

Ketone

Carboxylic acid

Any of above

Aluminum occurs in nature as.

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Native

Combined form

Both native and combined

Free

The Lewis formula of SOCl2 the total number of bond pairs and lone pairs of electrons around sulphur are.

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2,1

2 ,2

3 ,1

3 ,0

Which of the following generally increases on going from top to bottom in a group.

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Metallic charcter

Electronegativity

Oxidising behaviour

Raducing behaviour

In Dannis's method the end of the copper caps into which graphite electrode are fixed with cement.

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Portiant

Bakelite

Asbestos

All of above

Principal constituents of noble gases is

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Argon

Neon

Xenon

Helium

Magnalium is alloy of Aluminium which is used in

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Scientific apparatus

Aircraft parts

Rail road care

Boat machinery

Among LiCl, BeCl2, BCl3, and CCl4 the covalent bond character follows the order.

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LiCl < Becl2< Bcl3 < CCl4

LiCl > BeCl2 < BCl3<CCl4

LiCl< Becl2 < BCl3 < CCl4

LiCl > Becl2 > BCl3 < CCl4

Which among the following is a false statement.

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SiO2 has a structure similar to that of CO2

Natural Si exists only in the combined state

Si can be prepared by reducing SiO2 with Mg

Si does not exist in graphite like structure, but exists only ni diamond like structure.

The structure of SO2

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Linear

Angular

V-shaped

Planner

The atomic number of Potassium is 19 and that of manganese is 25. Although the coloured of MnO4 is dark violet yet the K+ is colourles.. This is due to the fact that

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Mn is a transition element while K+ is not

[MnO4]is negatively charged while K+ has a positive charge

The effective atomicnumebr of Mn is [MnO4] is 26 while for K+ the atomic number is 18

The Mn in a high positive oxidation state allows charge transfer transitions

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