Picric acid is
Picric acid is Options (a) 2,4,6-trinitrotoluene (b) 2,4,6-tribromophenol (c) para-trinitrophenol (d) 2,4,6-trinitrophenol Correct Answer: 2,4,6-trinitrophenolExplanation:No explanation available. Be the first…
7 years ago
Chemistry
When CHCl₃ is boiled with NaOH, it gives
When CHCl₃ is boiled with NaOH, it gives Options (a) formic acid (b) trihydroxy methane (c) acetylene (d) sodium formate…
7 years ago
Which of the following paramagnetic
Which of the following paramagnetic Options (a) [Ni(CN)₄]²⁻ (b) [Ni(CO)₄] (c) [NiCl₄]²⁻ (d) [Co(NH₃)₆]³⁺ Correct Answer: [NiCl₄]²⁻Explanation:No explanation available. Be…
7 years ago
Which ion is detected by Nessler’s reagent
Which ion is detected by Nessler's reagent Options (a) MnO₄ (b) PO₄³⁻ (c) NH₄⁺ (d) CrO₄²⁻ Correct Answer: NH₄⁺Explanation:No explanation…
7 years ago
MnO₂ and H₂O added to Nacl, the greenish-yellow gas liberate is
MnO₂ and H₂O added to Nacl, the greenish-yellow gas liberate is Options (a) Cl₂ (b) NH₃ (c) N₂ (d) H₂…
7 years ago
The absorption of hydrogen by palladium is called
The absorption of hydrogen by palladium is called Options (a) occlusion (b) hydration (c) hydrogenation (d) reduction Correct Answer: occlusionExplanation:No…
7 years ago
Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻² ohm⁻¹ cm⁻¹. Its molar conductance in ohm⁻¹ cm²…
7 years ago
When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be
When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be Options (a) 2.5ppm (b) 25ppm (c)…
7 years ago
The basic component of the smog is
The basic component of the smog is Options (a) PAN (b) PBN (c) NO₂ (d) all of these Correct Answer:…
7 years ago
Ethyl iodide when heated with sodium in dry ether gives pure
Ethyl iodide when heated with sodium in dry ether gives pure Options (a) C₄H₁₀ (b) C₂H₆ (c) C₃H₈ (d) C₂H₅OH…
7 years ago