Chemistry

The correct order of decreasing acidic nature of H₂O,ROH,CH≡CH and NH₃ is

The correct order of decreasing acidic nature of H₂O,ROH,CH≡CH and NH₃ is Options (a) CH≡CH>H₂O>ROH>NH₃ (b) H₂O>ROH>CH≡CH>NH₃ (c) ROH>NH₃>CH≡CH>H₂O (d)…

The type of hybridisation of boron in diboron is

The type of hybridisation of boron in diboron is Options (a) sp³ hybridisation (b) sp² hybridisation (c) sp hybridisation (d)…

The oxidation state of Cr in K₂Cr₂O₇ is

The oxidation state of Cr in K₂Cr₂O₇ is Options (a) -5 (b) 6 (c) -6 (d) 5 Correct Answer: 6Explanation:No…

HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair

HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid - base pair Options (a) HSO₄⁻ is…

The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103

The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103 kcal mol⁻¹ respectively. The enthalphy of…

If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be

If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be Options…

Which of the following is a planar?

Which of the following is a planar? Options (a) XeF₂ (b) XeO₃F (c) XeO₂F₂ (d) XeF₄ Correct Answer: XeF₄Explanation:No explanation…

What is the Atomic Mass of lead

Atomic Mass of lead is 207

What is the Atomic Mass of mercury

Atomic Mass of mercury is 200

What is the Atomic Mass of gold

Atomic Mass of gold is 197