Chemistry Test ...

When NaNO₃ is heated in a closed vessel, O₂ is liberated and N_aNO₂ is left behind. At equilibrium,

(i) Addition of NaNO₃ favours the forward reaction.

(ii) Addition of NaNO₂ favours the backward reaction.

(iii) Increasing pressure favours reverse reaction.

(iv) Increasing temperature favours the forward reaction.

Which one of the following is the correct option?

In a collection of H -atoms, all the electrons jump from n=5 to the ground level finally (directly or indirectly), without emitting any line in the Balmer series. The number of maximum possible different radiations is:

XeF₆ dissolves in anhydrous HF to give a conducting solution which contains:

Which of the following process does not occur at the interface of phases?

The Poling process is used for:

Which one of the following statements regarding photochemical smog is not correct?

Which of the following is/are a phospholipid(s)?

Which of the following would not form upon electrolysis of aqueous solution of potassium propanoate?

A system absorbs 300 cal of heat as a result that, the volume of the system becomes double the initial volume and temperature changes from 273K to 546K. the work done by the system on the surroundings is 200.0 cal. Calculate ΔE:

Inert pair effect is maximum in: