Chemistry MCQs

Page No. 112

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?


a6

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b4

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c3

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d2

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View Answer 2

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?


aaluminium can be recycled

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baluminium has very low density

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caluminium is the most abundant metal in the earth crust

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daluminium is resistant to corrosion by organic acids.

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In solids the temperature is the measure of__________________?


aAverage kinetic energy of molecules

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bVibrational kinetic energy

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cTranslational kinetic energy

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dNone of the above

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All the transition elements show_________________?


aSimilar physical properties

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bSimilar chemical properties

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cBoth A and b

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dNone

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View Answer None

Which of the following element doesnot show allotropy_________________?


aCarbon

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bArsenic

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cNitrogen

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dSulphur

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View Answer Nitrogen

Benzene is a good solvent for__________________?


afats

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bresins

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ciodine

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dall the above

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View Answer all the above

If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?


a0?C

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b273.16K

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c?273.16 K

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d?273.16?C

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View Answer ?273.16?C

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?


aphenol is unsaturated

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b2-bromophenol is insoluble in water

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ca hydroxy group makes the benzene ring more susceptible to electrophilic attack

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dacid-base reaction

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The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?


aalkaline aquenous iodine

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baqueous bromine

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cFehling solution

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daqueous NaOH

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In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?


an2a/v correct for the intermolecular forces.

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bnb correct for the volume occupied by gas molecules.

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cat high densities the equation reduces to the ideal gas law

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dall of the above statements are correct.

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