Chemistry MCQs

Page No. 51

Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?


aThe nature of its oxides

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bThe charge on its ions

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cThe formula of its oxide

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dIts number of isotopes

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Which one of the following sets consists of all coinage metals ?


aCu Hg Au

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bCu Ag Au

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cAg Au Hg

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dCu Fe Au

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View Answer Cu Ag Au

Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?


aBoth are electropositive

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bSimilar outer most shell electronic configuration

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cBoth form ionic compounds

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dAll

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View Answer All

Non-metals usually form _________________ oxides?


aAcidic

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bAmphoteric

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cNeutral

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dAll of the above

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View Answer Acidic

Inner transition elements are called _________________?


aLanthanides

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bActinides

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cRare earth metals

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dAll

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View Answer All

In modern periodic table all the leements are arranged in ascending order of__________________?


aValency

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bAtomic mass

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cAtomic number

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dValence electrons

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View Answer Atomic number

Elements with similar chemical properties appear in the_________________?


aSame family

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bSame period

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cp block elements

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dRight upper corner

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View Answer Same family

Concept of Triads was introduced by_______________?


aDobereiner

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bNewland

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cMendeleev

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dAl-Razi

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View Answer Dobereiner

Periodic table provides a basic framework to study elements with respect to their__________________?


aPhysical properties

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bChemical properties

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cProperties of their compounds

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dAll

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View Answer All

Which of the following will not form crystalline structure with opporitely charged ions_________________?


aH+

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bH-

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cMg2+

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dCa2+

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View Answer H+

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