Chemistry

Cannizzaro reaction will not take place in

0 Follower 1 View

Contributor-Level 10

Cannizzaro reaction is shown by aldehydes containing no a–H atoms

0 0

New answer posted

9 months ago

Reaction between acetaldehyde and ethyl magnesium bromide followed by hydrolysis gives

0 Follower 5 Views

Contributor-Level 10

0 0

New answer posted

9 months ago

For ionic reaction in organic compound which type of bond cleavage occur?

0 Follower 2 Views

Contributor-Level 10

In heterolytic bond cleavage ions are formed. hence for ionic reaction in organic compound heterolytic bond cleavage takes place.

0 0

New answer posted

9 months ago

The aqueous solution containing which one of the following ions will be colourless?

0 Follower 2 Views

Chemistry Chemistry Coordination Compounds

Contributor-Level 10

Zn²⁺ has no unpaired electron and colourless in aqueous solution.

0 0

New answer posted

9 months ago

Which of the following is homoleptic complex?

0 Follower 1 View

Chemistry Chemistry Classification of Elements and Periodicity in Properties

Contributor-Level 10

Homoleptic complexes in which a metal is bound to only one kind of donor groups/ligands.

0 0

New answer posted

9 months ago

Among the following second ionisation energy is maximum for

0 Follower 2 Views

Contributor-Level 10

Element V	Ti	Cr	Mn
IE2 (kJ/mol) 1414	1309	1592	1509

0 0

New answer posted

9 months ago

Statement-I: In aniline, –NH₂ group is strong deactivating group for all ESR.

Statement-II: Aniline does not show Friedel-Craft alkylation reaction.

(1) Both statement-l and statement-II are correct

(2) Both statement-l and statement-II are incorrect

(3) Statement-l is correct and statement-II is incorrect

(4) Statement-l is incorrect and statement-Il is correct

0 Follower 2 Views

Contributor-Level 10

In aniline –NH₂ is strong activating group due to presence of lone pair in nitrogen.

Aniline does not show Friedel-Craft alkylation reaction, because anhydrous AlCl₃ and aniline form salt together

0 0

New answer posted

9 months ago

+1 oxidation state is most stable for

0 Follower 1 View

Contributor-Level 10

Due to inert pair effect Tl shows +1 oxidation state.

0 0

New answer posted

9 months ago

Select the correct statement among the following

0 Follower 1 View

Contributor-Level 10

Suspension of slaked lime in water is known as milk of lime

Crude sodium chloride obtained by crystallisation of brine solution contains CaSO₄, Na₂SO₄and MgCl₂

Beryllium salts are easily hydrolysed

Gypsum : CaSO₄ * 2H₂O

0 0

New answer posted

9 months ago

Statement-I: Potassium hydrogen phthalate is primary standard for NaOH solution.

Statement-II: Phenolphthalein is used to detect completion of titration.

(1) Both statement-l and statement-II are correct

(2) Statement-1 is correct and statement-II is incorrect

(3) Statement-l is incorrect and statement-II is correct

(4) Both statement-I and statement-II are incorrect

0 Follower 1 View