Dihydrogen
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CHXI09:HYDROGEN

315501 Which of the following easily reacts with water producing hydrogen?

1 \(\mathrm{\mathrm{PH}_{3}}\)
2 \(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
3 \(\mathrm{\mathrm{CH}_{4}}\)
4 \(\mathrm{\mathrm{H}_{2} \mathrm{~S}}\)
CHXI09:HYDROGEN

315477 When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

1 \(\mathrm{1: 1}\)
2 \(\mathrm{1: 2}\)
3 \(\mathrm{2: 1}\)
4 \(\mathrm{9: 4}\)
CHXI09:HYDROGEN

315478 Correct order of occlusion property is

1 \(\mathrm{\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>}\) Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pt}}\)
2 Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>\mathrm{Ni}}\)
3 \(\mathrm{\mathrm{Ni} < \mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
4 \(\mathrm{\mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>\mathrm{Ni}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
CHXI09:HYDROGEN

315479 \(\mathrm{\mathrm{H}_{2}}\) directly combines with

1 \(\mathrm{\mathrm{Au}}\)
2 \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Ni}}\)
4 \(\mathrm{\mathrm{Ca}}\)
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CHXI09:HYDROGEN

315501 Which of the following easily reacts with water producing hydrogen?

1 \(\mathrm{\mathrm{PH}_{3}}\)
2 \(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
3 \(\mathrm{\mathrm{CH}_{4}}\)
4 \(\mathrm{\mathrm{H}_{2} \mathrm{~S}}\)
CHXI09:HYDROGEN

315477 When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

1 \(\mathrm{1: 1}\)
2 \(\mathrm{1: 2}\)
3 \(\mathrm{2: 1}\)
4 \(\mathrm{9: 4}\)
CHXI09:HYDROGEN

315478 Correct order of occlusion property is

1 \(\mathrm{\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>}\) Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pt}}\)
2 Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>\mathrm{Ni}}\)
3 \(\mathrm{\mathrm{Ni} < \mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
4 \(\mathrm{\mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>\mathrm{Ni}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
CHXI09:HYDROGEN

315479 \(\mathrm{\mathrm{H}_{2}}\) directly combines with

1 \(\mathrm{\mathrm{Au}}\)
2 \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Ni}}\)
4 \(\mathrm{\mathrm{Ca}}\)
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CHXI09:HYDROGEN

315501 Which of the following easily reacts with water producing hydrogen?

1 \(\mathrm{\mathrm{PH}_{3}}\)
2 \(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
3 \(\mathrm{\mathrm{CH}_{4}}\)
4 \(\mathrm{\mathrm{H}_{2} \mathrm{~S}}\)
CHXI09:HYDROGEN

315477 When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

1 \(\mathrm{1: 1}\)
2 \(\mathrm{1: 2}\)
3 \(\mathrm{2: 1}\)
4 \(\mathrm{9: 4}\)
CHXI09:HYDROGEN

315478 Correct order of occlusion property is

1 \(\mathrm{\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>}\) Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pt}}\)
2 Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>\mathrm{Ni}}\)
3 \(\mathrm{\mathrm{Ni} < \mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
4 \(\mathrm{\mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>\mathrm{Ni}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
CHXI09:HYDROGEN

315479 \(\mathrm{\mathrm{H}_{2}}\) directly combines with

1 \(\mathrm{\mathrm{Au}}\)
2 \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Ni}}\)
4 \(\mathrm{\mathrm{Ca}}\)
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CHXI09:HYDROGEN

315501 Which of the following easily reacts with water producing hydrogen?

1 \(\mathrm{\mathrm{PH}_{3}}\)
2 \(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
3 \(\mathrm{\mathrm{CH}_{4}}\)
4 \(\mathrm{\mathrm{H}_{2} \mathrm{~S}}\)
CHXI09:HYDROGEN

315477 When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

1 \(\mathrm{1: 1}\)
2 \(\mathrm{1: 2}\)
3 \(\mathrm{2: 1}\)
4 \(\mathrm{9: 4}\)
CHXI09:HYDROGEN

315478 Correct order of occlusion property is

1 \(\mathrm{\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>}\) Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pt}}\)
2 Colloidal \(\mathrm{\mathrm{Pd}>\mathrm{Pd}>\mathrm{Pt}>\mathrm{Au}>\mathrm{Ni}}\)
3 \(\mathrm{\mathrm{Ni} < \mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
4 \(\mathrm{\mathrm{Au}>\mathrm{Pt}>\mathrm{Pd}>\mathrm{Ni}>}\) Colloidal \(\mathrm{\mathrm{Pd}}\)
CHXI09:HYDROGEN

315479 \(\mathrm{\mathrm{H}_{2}}\) directly combines with

1 \(\mathrm{\mathrm{Au}}\)
2 \(\mathrm{\mathrm{Cu}}\)
3 \(\mathrm{\mathrm{Ni}}\)
4 \(\mathrm{\mathrm{Ca}}\)
For More Updates join with Us