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p-Block Elements - 06 (Oxygen Family)
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Q1. Electron affinity of sulphur is
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1 point
less than O but more than Se
more than O but less than Se
more than O and Se
equal to O and Se
Q2. All the elements of oxygen family are
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1 point
Non metal
Polymorphic
Radioactive
Metalloid
Q3. Which shows maximum catenation property ?
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1 point
O
S
Te
Se
Q4. Oxygen and sulphur both are the members of the same group in periodic table but H2O is liquid while H2S is gas because
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1 point
molecular weight of water is more
H2S is weak acid
water molecules are having weak hydrogen bonds between them
electronegativity of sulphur is more
Q5. Which of the following hydrides has the lowest boiling point?
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1 point
H2Te
H2S
H2Se
H2O
Q6. Which of the following hydrides is most acidic ?
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1 point
H2S
H2Se
H2O
H2Te
Q7. Which of the following hydrides shows the highest boiling point ?
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1 point
H2O
H2S
H2Te
H2Se
Q8. Which is the best oxidising agent among the following ?
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1 point
O
S
Te
Se
Q9. Which of the following oxide is amphoteric ?
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1 point
SnO2
CaO
SiO2
CO2
Q10. The compound which gives off oxygen on moderate heating is
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1 point
Aluminium oxide
Calcium oxide
Zinc oxide
Mercuric oxide
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