Question # 1

Enthalpy of formation of one mole of ionic compound form gaseous ion under standard condition is called

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Gibb's energy

Bond energy

Lattice energy

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A compound z' decolorizes bromine water and produces white ppt. The compound 'z'is

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Alkane

Alcohol

Phenol

Benzene

According to kinetic theory of gases kinetic energy depends on

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Temperature

Collision

Pressure

Atomic number

The scale of temperature that shows the freezing point of water at 0° is called

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Fahrenheit

Kelvin

absolute

Celsius

Aspartic acid is a (an)

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Monoamino dicarboxylic acid

Diamino Monocarboxylic acid

Aromatic amino acid

Imino acid

Part of fresh water consumed in domestic purpose:

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1%

2%

69%

8%

The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product

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Acetaldehyde

Propanal

Acetone

Propanoic acic

Which of the elements has seven electrons in d-subshell?

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Zn

Co

Cu

Fe

Which of the following is pure substance

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Distilled water

, Sea water

, NaCl (aq)

Brass

Glyoxal molecule has?

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two carbonyl groups

One aldehydic and one carbonyl group

Two aldehydic groups

Two carboxyl group

The sample being analyzed is called :

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Electrolyte.

Substance.

Analyte.

All of above.

Hydrogenation of vegetable oils is accelerated by Ni catalyst. The catalytic activity of Bi is increased by a promoter of activator which is

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Na and K

Na and Hg

Hg and Zn

Cu and Te

Acetic Acid is obtained from:

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Red out

Vinegar

Butter

Milk

The chemical formula of Trona is

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KCl . MgCl₂. 6H₂O

Na₂CO₃. 2NaHCO₃. 2H₂O

Na₂CO₃. H₂O

KCl

The de-Brogile wavelength of a particle with mass 1g and velocity 100 m/s is

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6.63 x 10^-33m

6.63 x 10^-34m

6.63 x 10^-35m

6.65 x 10^-35m

When the rate of reaction is entirely independent of the conc. of reaction molecules then order of reaction is

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Zero

First

Second

Third

The element with highest electron affinity among the halogen is

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F

Cl

Br

I

The element which has a simple cubic lattice in solid state is

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Se

Te

Po

None of these

The bond angle between hydrogen atoms and carbon in alkane is

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104.5°

107.5°

109.5°

120.5°

The hydrocarbon used for polymerization is

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Alkanes

Alkenes

Alkynes

All of above

pH and pKa of the buffer are related by Henderson equation which is

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