Ncert Solutions Chemistry Class 12th

Amongst the following, the major product of the given chemical reaction is 

 

During halogens test, sodium fusion extract is boiled with concentrated HNO₃ to

Given below are two statements: one is labeled as Assertion A  and the other is labeled as Reason R.

           Assertion A:  A mixture contains benzoic acid  and naphthalene. THE pure benzoic acid can be separated out by the use of benzene.

           Reason R: Benzoic acid is soluble in hot water.

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

The metal ion (in gaseous state) with lowest spin-only magnetic moment value is

AB₃ is an interhalogen T-shaped molecule. The number of lone pairs of electrons on A is________. (Integer answer)

The number of 4f electrons in the ground state electronic configuration of Gd²⁺ is_________.

[Atomic number of Gd = 64]

The ratio of number of water molecules in Mohr's salt and potash alum is_____* 10^-1

(Integer answer)

Given below are two statements.

           Statement I: During electrolytic refining, blister copper deposits precious metals.

           Statement II: In the process of obtaining pure copper by electrolysis method, copper blister is used to make the anode.

           In the light of the above statements, choose the correct answer form the option given below:

The major product formed in the following reaction is:

The incorrect statement is: