The element, with atomic number 118, will be
Options
(a) transition element (b) alkali metal (c) alkaline earth metal (d) noble gas
Correct Answer:
noble gas
Explanation:
No explanation available. Be the first […]
Which of the following will not act as a buffer?
Options
(a) NaHCO₃ + H₂CO₃ (b) NaOH + NaCl (c) CH₃COOH + CH₃COOHNa (d) NH₄OH + NH₄Cl
Correct Answer:
NaOH + NaCl
Explanation: […]
Among the following the least thermally stable is
Options
(a) K₂CO₃ (b) Na₂CO₃ (c) BaCO₃ (d) Li₂CO₃
Correct Answer:
Li₂CO₃
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which one of the following contain isopropyl group
Options
(a) 2,2,3,3-tetramethylpentane (b) 2-methylpentane (c) 2,2,3-trimethylpentane (d) 3,3-dimethylpentane
Correct Answer:
2-methylpentane
Explanation:
No explanation available. Be the first to write the explanation for this […]
The correct order of ionization energy of C, N, O, F is
Options
(a) F < N < C < O (b) C < N < O < F (c) C < O […]
Which one of the following is not an amphoteric substance
Options
(a) HNO₃ (b) HCO₃⁻ (c) H₂O (d) NH₃
Correct Answer:
HNO₃
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following is contained in alcoholic beverages
Options
(a) Glycerol (b) methanol (c) 2-propanol (d) Ethanol
Correct Answer:
Ethanol
Explanation:
No explanation available. Be the first to write the explanation for […]
Of the following complex ions one exhibits isomerism.That one is
Options
(a) [Ag(NH₃)₂]⁺ (b) [Co(NH₃)₅NO₂]²⁺ (c) [pt(en)Cl₂] (d) [Co(NH₃)Cl]²⁺
Correct Answer:
[Co(NH₃)₅NO₂]²⁺
Explanation:
No explanation available. Be the first to write the explanation […]
The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is
Options
(a) 2 (b) 0 (c) 2.5 (d) 3.5
Correct Answer:
2.5
Explanation:
No explanation available. Be the first to write the explanation […]
An increase in pressure would favour which of the following reaction?
Options
(a) N₂ + O₂ ⇌ 2NO (b) N₂O₄ ⇌ 2NO₂ (c) 2SO₂+O₂ ⇌ 2SO₃ (d) H₂+I₂ ⇌ 2HI
Correct Answer:
2SO₂+O₂ […]
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