Miscellaneous Questions based on s-block Elements
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NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

315931 Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?

1 \(\mathrm{KClO}_{3}\)
2 \(\mathrm{CaCO}_{3}\)
3 \(\mathrm{NH}_{4} \mathrm{NO}_{3}\)
4 \(\mathrm{NaNO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315932 Causticization process is used for the preparation of

1 Caustic soda
2 Caustic potash
3 Baryta solution
4 Slaked lime
CHXI10:THE S-BLOCK ELEMENTS

315933 The pair whose both species are used in antacid medicinal preparations is

1 \(\mathrm{NaHCO}_{3}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) and \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\) and \(\mathrm{NaHCO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315934 \({\text{BeO + C + C}}{{\text{l}}_{\text{2}}}\mathop \rightleftharpoons \limits^{60 - 800\;{\text{K}}} {\text{ 'X' + }}{\mkern 1mu} {\text{'Y'}}\)
\('{\rm{X}}' + {\rm{LiAI}}{{\rm{H}}_4} \to {\rm{Be}}{{\rm{H}}_{\rm{2}}} + {\rm{LiCl}} + {\rm{AlC}}{{\rm{l}}_{\rm{3}}}\)
What is the oxidation state of the non-metal in compound ' X '?

1 \(-\)1
2 \( + 1\)
3 0
4 \(\frac{1}{2}\)
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CHXI10:THE S-BLOCK ELEMENTS

315931 Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?

1 \(\mathrm{KClO}_{3}\)
2 \(\mathrm{CaCO}_{3}\)
3 \(\mathrm{NH}_{4} \mathrm{NO}_{3}\)
4 \(\mathrm{NaNO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315932 Causticization process is used for the preparation of

1 Caustic soda
2 Caustic potash
3 Baryta solution
4 Slaked lime
CHXI10:THE S-BLOCK ELEMENTS

315933 The pair whose both species are used in antacid medicinal preparations is

1 \(\mathrm{NaHCO}_{3}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) and \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\) and \(\mathrm{NaHCO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315934 \({\text{BeO + C + C}}{{\text{l}}_{\text{2}}}\mathop \rightleftharpoons \limits^{60 - 800\;{\text{K}}} {\text{ 'X' + }}{\mkern 1mu} {\text{'Y'}}\)
\('{\rm{X}}' + {\rm{LiAI}}{{\rm{H}}_4} \to {\rm{Be}}{{\rm{H}}_{\rm{2}}} + {\rm{LiCl}} + {\rm{AlC}}{{\rm{l}}_{\rm{3}}}\)
What is the oxidation state of the non-metal in compound ' X '?

1 \(-\)1
2 \( + 1\)
3 0
4 \(\frac{1}{2}\)
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CHXI10:THE S-BLOCK ELEMENTS

315931 Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?

1 \(\mathrm{KClO}_{3}\)
2 \(\mathrm{CaCO}_{3}\)
3 \(\mathrm{NH}_{4} \mathrm{NO}_{3}\)
4 \(\mathrm{NaNO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315932 Causticization process is used for the preparation of

1 Caustic soda
2 Caustic potash
3 Baryta solution
4 Slaked lime
CHXI10:THE S-BLOCK ELEMENTS

315933 The pair whose both species are used in antacid medicinal preparations is

1 \(\mathrm{NaHCO}_{3}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) and \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\) and \(\mathrm{NaHCO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315934 \({\text{BeO + C + C}}{{\text{l}}_{\text{2}}}\mathop \rightleftharpoons \limits^{60 - 800\;{\text{K}}} {\text{ 'X' + }}{\mkern 1mu} {\text{'Y'}}\)
\('{\rm{X}}' + {\rm{LiAI}}{{\rm{H}}_4} \to {\rm{Be}}{{\rm{H}}_{\rm{2}}} + {\rm{LiCl}} + {\rm{AlC}}{{\rm{l}}_{\rm{3}}}\)
What is the oxidation state of the non-metal in compound ' X '?

1 \(-\)1
2 \( + 1\)
3 0
4 \(\frac{1}{2}\)
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

315931 Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?

1 \(\mathrm{KClO}_{3}\)
2 \(\mathrm{CaCO}_{3}\)
3 \(\mathrm{NH}_{4} \mathrm{NO}_{3}\)
4 \(\mathrm{NaNO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315932 Causticization process is used for the preparation of

1 Caustic soda
2 Caustic potash
3 Baryta solution
4 Slaked lime
CHXI10:THE S-BLOCK ELEMENTS

315933 The pair whose both species are used in antacid medicinal preparations is

1 \(\mathrm{NaHCO}_{3}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) and \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}\) and \(\mathrm{Mg}\left(\mathrm{OH}_{2}\right)\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\) and \(\mathrm{NaHCO}_{3}\)
CHXI10:THE S-BLOCK ELEMENTS

315934 \({\text{BeO + C + C}}{{\text{l}}_{\text{2}}}\mathop \rightleftharpoons \limits^{60 - 800\;{\text{K}}} {\text{ 'X' + }}{\mkern 1mu} {\text{'Y'}}\)
\('{\rm{X}}' + {\rm{LiAI}}{{\rm{H}}_4} \to {\rm{Be}}{{\rm{H}}_{\rm{2}}} + {\rm{LiCl}} + {\rm{AlC}}{{\rm{l}}_{\rm{3}}}\)
What is the oxidation state of the non-metal in compound ' X '?

1 \(-\)1
2 \( + 1\)
3 0
4 \(\frac{1}{2}\)
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