Question # 1

Ethanol reacts with Na metal to form sodium ethoxide. What product will be formed when C2H5ONa reacts with methyl bromide.

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C2H5OC2H5

C2H5OCH3

CH3COC2H5

C2H5Br and NaBr

Ecosystem is smaller units of.

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Lithosphere

Hydrosphere

Atmosphere

Biosphere

Role of H2S in the given chemical reaction is H2S + I2--------------- 2HI+S

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Oxidising agent

Reducing agent

Dehydrating agent

As an acid

Which ether is symmetrical in nature.

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Methyl ethyl ether

Diphenyl ether

Methyl n propyl other

Methoxy benzene

Cyclic structure of benzene was proposed by

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Dewar

Faraday

Down

Kekule

Glycoside linkage is present in

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Proteins

Nylon -6,6

Starch

DNA

The most metallic elements from the following is

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Arsenic

Oxygen

Antimony

Bismuth

Which one of the following elements has the largest second ionization energy.

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O

Na

F

Ne

Which one of the following comp9ounds on hydrolysis will not produce a carboxylic acid.

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Alkyl halide

Alkyl Nitrite

Addition product of Grignard reagent and CO2

Ester boiled with sodium hydroxide

The transition elements which are present in 4th period of periodic table have atomic number.

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22 to 30

21 to 30

21 to 29

21 to 31

Which one of the following is a metalloid.

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sulphur

Antimony

Mercury

Zinc

The solution of which acid is used for seasoning of food

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Benzoic acid

Butanoic acid

Formic acid

Acetic acid

Which class of elements shows law value of first ionization potential.

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Alkali metals

Alkaline earth metals

Halogens

Noble gases

Which is not a calcarious material.

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Lime

Clay

Marble

Marine shell

Alcohol obtained by fermentation is only upto

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10%

12%

20%

95%

The type of hybridization in PCl3 is.

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dsp2

sp3

dsp3

d2sp3

Which one is fatty acid

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Benzoic acid

Malonic acid

Phtalic acid

Palmitic acid

What is effect of solubility of carboxylic acid in water by increasing their molecular masses.

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Decreases

Increase

Remain constant

Non effected

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Chemistry Fsc Part 2 Online Test MCQs With Answers

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