Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions is 3.4 ˣ 10⁻⁴.Then find out initial concentration of CH₃COOH molecules Options (a) 3.4 ˣ 10⁻⁴ (b) 3.4 ˣ 10⁻³ (c) 6.8 […]
In HS⁻, I⁻, R-NH₂, NH₃ order of proton accepting tendency will be Options (a) I⁻ > NH₃ > R-NH₂ > HS⁻ (b) NH₃ > R-NH₂ > HS⁻ > I⁻ (c) R-NH₂ > NH₃ > HS⁻ […]
In steam distillation of toluene, the pressure of toluene in vapour is Options (a) equal to pressure of barometer (b) less than pressure to barometer (c) equal to vapour pressure of toluene in simple distillation […]
The magnetic susceptibility does not depend upon the temperature in Options (a) Ferrite substances (b) Ferromagnetic substances (c) Diamagnetic substances (d) Paramagnetic substances Correct Answer: Diamagnetic substances Explanation: No explanation available. Be the first to […]
Tangent galvanometer is used to measure Options (a) Current (b) Resistance (c) Charge (d) Potential difference Correct Answer: Current Explanation: No explanation available. Be the first to write the explanation for this question by commenting […]
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 this question […]
On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck is moving with acceleration 5 ms⁻². The frictional force on block will be Options (a) 5 N […]
A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s. Then he experiences force of Options (a) 30 N (b) 3 N (c) 0.3 N (d) 0.03 N […]
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