The maximum number of hydrogen bonds formed by a water molecule in ice is
Options
(a) 4 (b) 1 (c) 2 (d) 3
Correct Answer:
4
Explanation:
No explanation available. Be the first […]
What is the value of carbonate hardness of water sample if 100 mL of it took 5 mL of 0.09 N HCl solution ? (Molecular weight of Na₂CO₃ = 106)
Options
(a) 4.50 […]
Bond angle in H₂O₂ is
Options
(a) 97⁰ (b) 91⁰ (c) 94.8⁰ (d) 99.8⁰
Correct Answer:
97⁰
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Heavy water is obtained by
Options
(a) boiling water (b) fractional distillation of H₂O (c) prolonged electrolysis of H₂O (d) heating H₂O₂
Correct Answer:
prolonged electrolysis of H₂O
Explanation:
No explanation available. Be […]
Para and ortho-hydrogen differ in
Options
(a) atomic number (b) atomic mass (c) spins of proton (d) number of neutron
Correct Answer:
spins of proton
Explanation:
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The boiling point of heavy water is
Options
(a) 100⁰C (b) 101.4⁰C (c) 99⁰C (d) 110⁰C
Correct Answer:
101.4⁰C
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following statement is correct
Options
(a) Hydrogen will not be liberated at anode (b) Hydrogen has oxidation number of -1 and +1 (c) Hydrogen has same ionization potential as alkali […]
Which of the following is heavy water
Options
(a) H₂O (b) H₂O₁₈ (c) D₂O (d) H₂O₁₆
Correct Answer:
D₂O
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following statement regarding hydrogen peroxide is false
Options
(a) It is strong oxidizing agent (b) It is decomposed by MnO₂ (c) It behaves as a reducing agent (d) It is […]
Last molecule of H₂O is evolved from H₂O₂ by
Options
(a) electrolysis (b) crystallisation (c) condensation (d) evaporation
Correct Answer:
crystallisation
Explanation:
No explanation available. Be the first to write the explanation for […]
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