Non – lanthanide element is
Non – lanthanide element is
Options
(a) La (b) Lu (c) Pr (d) Pm
Correct Answer:
La
Explanation:
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Questions
The most common lanthanide is
The most common lanthanide is
Options
(a) samarium (b) lanthanum (c) plutonium (d) cerium
Correct Answer:
cerium
Explanation:
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The strongest reducing agent is
The strongest reducing agent is
Options
(a) HCl (b) HF (c) HBr (d) Hl
Correct Answer:
Hl
Explanation:
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Molar volume of CO₂ is maximum at
Molar volume of CO₂ is maximum at
Options
(a) NTP (b) 0⁰C and 2.0 atm (c) 127⁰C and 1 atm (d) 273⁰C and 2.0 atm
Correct Answer:
127⁰C and 1 atm
Explanation:
No […]
When an acid cell is charged, then
When an acid cell is charged, then
Options
(a) voltage of cell increases (b) electrolyte of cell dilutes (c) resistance of cell increases (d) none of these
Correct Answer:
voltage of cell increases
Ozone in stratosphere is depleted by
Ozone in stratosphere is depleted by
Options
(a) CF₂Cl₂ (b) C₇F₁₆ (c) C₆H₆Cl₆ (d) C₆F₆
Correct Answer:
CF₂Cl₂
Explanation:
Ozone is depleted by oxides of nitrogen i.e. N₂O and through CFC gas i.e. CF₂Cl₂ […]
Oxidation state of osmium(Os) in OsO₄ is
Oxidation state of osmium(Os) in OsO₄ is
Options
(a) 4 (b) 6 (c) 7 (d) 8
Correct Answer:
8
Explanation:
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Ester and acetamide are distinguished dy
Ester and acetamide are distinguished dy
Options
(a) Grignard reagent (b) derivatives of fatty acids (c) hydrolysed with strong acids or alkail (d) both ‘c’ and ‘b’
Correct Answer:
hydrolysed with strong […]
Chloroform,on warming with Ag power,gives
Chloroform,on warming with Ag power,gives
Options
(a) C₂H₂ (b) C₆H₆ (c) C₂H₄ (d) none of these
Correct Answer:
C₂H₂
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Number of orbitals present in 3rd shell is
Number of orbitals present in 3rd shell is
Options
(a) 1 (b) 3 (c) 9 (d) 18
Correct Answer:
9
Explanation:
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