JEE Main entrance exam Question Bank Solutions for Chemistry (JEE Main)

Cerium (Z = S8) is an important member of lanthanoids. Which of the following statements about cerium is incorrect?

White precipitate of AgCl dissolves in aqueous ammonia solution due to formation of ______.

The one that is not expected to show isomerism is ______.

Number of electron-deficient molecules among the following:

PH₃, B₂H₆, CCl₄, NH₃, LiH and BCl₃

Given below are two statements:

Statement I: On heating with KHSO₄, glycerol is dehydrated and acrolein is formed.

Statement II: Acrolein has a fruity odour and can be used to test glycerol's presence.

Choose the correct option.

Ceric aminonium nitrate and CHCl₃/alc. KOH are used for the identification of functional groups present in ______ and ______ respectively.

Which one of the following compounds of Group–14 elements is not known?

Match List - I with List - II.

Choose the correct answer from the options given below:

NaH is an example of ______.

The maximum prescribed concentration of copper in drinking water is ______.

Which of the following conditions in drinking water causes methemoglobinemia?

The correct match between Item - I and Item - D is:

Arrange the following in the decreasing order of their covalent character.

(A) LiCl

(B) NaCl

(C) KCl

(D) CsCl

Choose the most appropriate answer from the options given below:

Consider the above reactions, the product A and product B respectively are:

The mixture of chloroxylenol and terpineol is an example of ______.

In Freundlich adsorption isotherm, slope of AB line is:

'A' and 'B' in the following reactions are:

What are the products formed in sequence when excess of CO₂ is passed in slaked lime?

Given below are two statements:

Statements I: In the titration between strong acid and weak base methyl orange is suitable as an indicator.

Statement II: For titration of acetic acid with NaOH, phenolphthalein is not a suitable indicator.

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

The conversion of hydroxyapatite occurs due to presence of p - ions in water. The correct formula of hydroxyapatite is ______.