Question # 1

Which is not a nucleophile

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Benzene

Chlorine

Ethene

Ethanol

Write the name of following compound

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5 - methyle - 2- hexene

2 - methyle hexene

4 - ethyle - 2 - methyle hexene

3 - ethyle - 3 - methyl hexene

Closed chain compound can be classified into

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Homocyclic

Hetrocyclic

Aliphatic

Both a and b

Ketons are prepared by the oxidation of

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Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

The presence of a double bond in a compound is the sign of

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Saturation

Unsaturation

Substitution

None of above

For which system does the equilibrium constant, kc has units of (concentration) ?

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N₂+3H_2-------2NH₃

H₂+L₂---------2HL

2NO₂----------N₂O₄

2HF--------H2+F₂

Which statement about molecule is incorrect ?

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Molecules of a substance are similar

Hemoglobin is a homo atomic molecules

Oxygen molecule is a macro molecule

It exist independently

Which of the following sets of atomic numbers belong to that of the alkali metals?

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1,12,30,4,62

37,19,3,55

9,17,35,53

12,20,56,88

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Pressure change

Temperature change

Concentration change

Catalyst

The cell in which a non-spontaneous redox reaction takes place as a result electricity is known as :

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Electrolytic cell.

Voltaic cell.

Daniel cell.

Dry cell.

A pair of elements in the same family in the periodic classification is

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Cl and C

Ca and Al

N and Ne

Na and K

Ethylene decolorizes cold dilute solution of KMnO₄. This test is known as

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Colouration test

Baeyer's test

Silver mirror test

Ring test

C₆H₆Cl₆can be obtained from

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HCl and Benzene

Cl₂and Benzene and AlCl₃

Cl₂and Benzene in diffused light

NaOCl and Benzene

The amount of heat evolved or absorbed in a process in the same whether the process takes place in one or several steps is the statement of

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First law of thermodynamics

Hess's law

Coulomb's law

Phase law

In carboxyl group the bond between C and oxygen is:

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Sigma bond

Single bond

Double Bond

Triple bond

Which of the following is not a fertilizer

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Nitrophos

Dolomite

Super phosphate of lime

Urea

Organic compounds generally react at ______ rates

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Slow

Fast

Moderate

None of them

Which of the following is the hardest metal among following

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Li

Na

Rb

K

The amino acids which human body can synthesize are called ______ amino acid

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Essential

Non essential

Acidic

Basic

The compounds which have any atom other than Carbon atom, in rings are called as

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Monocyclic

Heterocyclic

Homocyclic

None of the above

SnCI₂have ______ shape

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Planner

Tetrahedral

Angular

None

Dehydration of glycerol give

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Propane

Propene

Acrolein

Benzene

Polymerization of ethane take place at pressure of 100 atm and a temperature of

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200°C

400°C

600°C

800°C

The nature of interparticle forces in benzene is

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Dipole-dipole interaction

Dispersion force

Ion-dipole interaction

H-bonding

Gooch crucible is made of:

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Brass

Porcelain

Bronze

.Gold

Catalyst in the reaction ROH + SOCl₂-------> RCL+SO₂+HCl is:

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ZnCl₂

Pyridine

H₂SO₄

Either

Grignad reagent is reactive due to

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The presence of halogen atom

The presence of Mg atom

The polarity of C - Mg bond

None of above

Pressure volume work is

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The organic compounds which derivative of hydrocarbons due to oxygen is:

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Phenol

Alcohol

Alkyl halide

Either

Cracking products are :

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Only alkanes

Only alkenes

Alkanes and alkenes

Alkynes

A salt producing hydrocarbon among these compounds is

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Ehyne

Ethene

Methane

Ethane

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