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Ncert Solutions Chemistry Class 11th

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Ncert Solutions Chemistry Class 11th Thermodynamics

The total kinetic energy associated with n moles of monoatomic gas is

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Vishal Baghel

Contributor-Level 10

Total kinetic energy associated with 'n' moles of monoatomic gas is = $\frac{3}{2} n R T$

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2 months ago

Ncert Solutions Chemistry Class 11th Class 11th

Which of the following gases can be liquefied most easily?

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Vishal Baghel

Contributor-Level 10

NH₃ can be liquefied most easily due to presence of strong intermolecular H-bonding among NH₃ molecules.

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Ncert Solutions Chemistry Class 11th Class 11th

The correct order of atomic radii in group 13 element is

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Vishal Baghel

Contributor-Level 10

Correct order or atomic radii is

Tl > ln > Al > Ga > B

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Ncert Solutions Chemistry Class 11th Class 11th

Which one of the following ions has the largest size in aqueous solution?

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Vishal Baghel

Contributor-Level 10

Li⁺ has the largest size in aqueous solution due to its high polarizing power.

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Ncert Solutions Chemistry Class 11th Class 11th

The molarity of 20 volume H₂O₂ is nearly

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Vishal Baghel

Contributor-Level 10

Volume strength of H₂O₂ = Molarity * 11.2

$∴ M o l a r i t y = \frac{V}{11.2} = \frac{20}{11.2} = 1.78 \approx 1.8$

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Ncert Solutions Chemistry Class 11th Class 11th

The maximum prescribed concentration of manganese in drinking water is

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Vishal Baghel

Contributor-Level 10

The maximum prescribed concentration of manganese in drinking water is 0.05 ppm.

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Ncert Solutions Chemistry Class 11th Class 11th

Which of the following is not an acidic oxide?

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alok kumar singh

Contributor-Level 10

Kindly go therough the solution

NO is a neutral oxide.

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Ncert Solutions Chemistry Class 11th Thermodynamics

The ionization enthalpy of Na⁺ formation from Na_(g)is 495.8 kJ mol^-1, while the electron gain enthalpy of Br is - 325.0 kJ mol^-1. Given the lattice enthalpy of NaBr is - 728.4 kJ mol^-1. The energy for the formation of NaBr ionic solid is (-) -------------- * 10^-1kJ mol^-1.

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Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

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Ncert Solutions Chemistry Class 11th Class 11th

A car tyre is filled with nitrogen gas at 35 psi at 27°C. It will burst if pressure exceeds 40 psi. The temperature in °C at which the car tyre will burst is--------------. (Rounded – off to the nearest integer)

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Vishal Baghel

Contributor-Level 10

$\frac{P_{1}}{T_{1}} = \frac{P_{2}}{T_{2}} \Rightarrow \frac{35}{300} = \frac{40}{T_{2}}$

$∴ T_{2} = \frac{40 * 300}{35} = 342.85 K$

$T_{2} (° C) = 69.707 \approx 70 ° C$

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