Ncert Solutions Chemistry Class 11th

Identify the incorrect statement from the following.

Given below are two statements:

Statement I:
The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.

Statement II:
o-nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.

In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:

Statement I:
The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.

Statement II:
o-nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.

In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following p – V curve represents maximum work done?

Gadolinium has a low value of third ionisation enthalpy because of:

Match List-I with List-II.

List -I(Hydrides)
(a) MgH₂
(b) GeH₄
(c) B₂H₆
(d) HF

List - II (Nature)
(i) Electron precise
(ii) Electron deficient
(iii) Electron rich
(iv) Ionic

Choose the correct answer from the options given below:

Which of the following statement is not correct about diborane?

In one molal solution that contains 0.5 mole of a solute, there is:

Given below are two statements:

Statement I:
The boiling points of the following hydrides of group 16 elements increases in the order- H₂O < HS < HSe < HTe

Statement II:
The boiling points of these hydrides increase with increase in molar mass.

In the light of the above statements, choose the most appropriate answer from the options given below:

Choose the correct statement: