Which of the following will exhibit maximum ionic conductivity?
Options
(a) K₄[Fe(CN)₆] (b) [Co(NH₃)₆]Cl₃ (c) [Cu(NH₃)₄]Cl₂ (d) [Ni(CO)₄]
Correct Answer:
K₄[Fe(CN)₆]
Explanation:
No explanation available. Be the first to write the explanation for […]
CuSO₄ dissolves in NH₃ due to the formation of
Options
(a) Cu(OH)₂ (b) Cu[(NH₃)₄]SO₄ (c) Cu[(NH₃)₄(OH)₂] (d) CuO
Correct Answer:
Cu[(NH₃)₄(OH)₂]
Explanation:
NH₃+ H₂O→ NH₄OH CuSO₄ + NH₄OH → Cu(OH)₂ + (NH₄)₂ SO₄ […]
The electronic configuration of gadolinium (Atomic No.64) is
Options
(a) [Xe]4f³ 5d⁵ 6s² (b) [Xe]4f⁶5d²6d² (c) [Xe]4f⁸5d⁹6s² (d) [Xe]4f⁷5d¹6s²
Correct Answer:
[Xe]4f⁷5d¹6s²
Explanation:
No explanation available. Be the first to write the explanation […]
Formula of ferric sulphate is
Options
(a) FeSO₄ (b) Fe(SO₄)₂ (c) Fe₂SO₄ (d) Fe₂(SO₄)₃
Correct Answer:
Fe₂(SO₄)₃
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Which of the following is true about ClO₂
Options
(a) It is paramagnetic (b) It dimerises in liquid phase (c) It is an liner molecule (d) It is very reactive
Correct Answer:
It […]
Chlorine is liberated, when we heat
Options
(a) Pb(NO₃)₂ + MnO₂ (b) K₂Cr₂O₇ + MnO₂ (c) KMnO₄ + NaCl (d) K₂Cr₂O₇ + HCl
Correct Answer:
K₂Cr₂O₇ + HCl
Explanation:
No explanation available. Be […]
Which of the following statements is true
Options
(a) Chemisorption forms unimolecular layer (b) Chemisorption is a reversible process (c) Chemisorption is independent of pressure (d) Chemisorption has low enthalpy change
Correct Answer: […]
Gold number gives
Options
(a) the amount of gold sol present in the colloid (b) the amount of gold sol required to coagulate the colloid (c) the amount of gold sol required to […]
A zinc rod is place in 0.095 M solution of zinc sulphate at 298 K, the potential of the electrode at this temperature is [E⁰ zn = -0.76 volts]
Options
(a) – 0.76 […]
Which of the following is used in electroplating
Options
(a) AgCl (b) AgNO₃ (c) sodium argentocyanide (d) none of these
Correct Answer:
sodium argentocyanide
Explanation:
It is used for plating articles […]
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