S Block Elements Mcqs
Our collections of Multiple choice questions and answers focuses on study of S Block Elements in Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate S Block Elements in Chemistry comprehensively.
32. Carnalite has chemical formula
KCI
KCI.MgCl2.6H2O
Na2B4O7.10H2O
CaCO3.MgCO3
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33. Magnesium metal does not burn in the vessel containing
N2
O2
N2 and O2
Ne
34. Electrolysis of dilute solution of NaCl results at the anode
Sodium
Hydrogen
Chlorine
Oxygen
35. Second ionization potential of alkali metals are very high due to
Being s-block elements
Inert gas configurations
Ns1 electronic configuration
Being metals
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36. Which ion will have maximum value of heat of hydration?
A1+3
Cs+
Ba+
Mg+2
37. Which one can form complex?
Na
Cr
Li
K
38. Which one is natron?
Na2CO3
Na2CO3.10H2O
Na2CO3.H2O
NaHCO3
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39. Addition of 2% gypsum in cement
Triggers hydration
Triggers hydrolysis
Prevents rapid hardening
All of the above
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40. Which one is least ionic in nature and decompose on heating.
LiOH
NaOH
KOH
CsOH