Recent questions in Chemistry

On heating ammonium dichromate the gas evolved is

asked Jan 26, 2014 by mosymeow_1

1 answer

Which one among the following pairs of ions cannot be separated by $H_2S$ in dilute hydrochloric acid?

asked Jan 26, 2014 by mosymeow_1

1 answer

The phenomenon in which white transparent crystal changes into white powder is called

asked Jan 26, 2014 by mosymeow_1

1 answer

Which of the following is not precipitated as sulphide by passing $H_2S$ in the presence of conc. HCl?

asked Jan 26, 2014 by mosymeow_1

1 answer

A one litre flask is full of brown bromine fumes. The intensity of brown colour of vapour will not decrease appreciably on adding to the flask some

asked Jan 26, 2014 by mosymeow_1

1 answer

A mixture of two salts is not water soluble but dissolves completely in dil. HCl to form a colourless solution. The mixture could be

asked Jan 26, 2014 by mosymeow_1

1 answer

Which of the following is soluble in yellow ammonium sulphide?

asked Jan 26, 2014 by mosymeow_1

1 answer

An aqueous solution $FeSO_4.Al_2(SO_4)_3$ and chrome alum is heated with excess of $Na_2O_2$ and filtered. The materials obtained are

asked Jan 26, 2014 by mosymeow_1

1 answer

Brown ring test is used to detect

asked Jan 26, 2014 by mosymeow_1

1 answer

Turn bull's blue is the compound

asked Jan 26, 2014 by mosymeow_1

1 answer

A white crystalline substance dissolves in water. On passing $H_2S$ in this solution, a black ppt. is obtained. The black ppt. dissolves completely in hot $HNO_3$. On adding a few drops of conc. $H_2SO_4$, a white ppt. is obtained. The ppt. is that of

asked Jan 26, 2014 by mosymeow_1

1 answer

Yellow ammonium sulphide solution is a suitable reagent for the separation of

asked Jan 26, 2014 by mosymeow_1

1 answer

Which of the following sol will be destabilised with ionic impurities- if present?

asked Jan 26, 2014 by mosymeow_1

1 answer

Which of the following sols cannot be prepared by boiling the dispersed phase with dispersion medium (water)?

asked Jan 26, 2014 by mosymeow_1

1 answer

For dissolution of an ionic solid water $\Delta_{sol}H^{\Theta}$ =

asked Jan 26, 2014 by mosymeow_1

1 answer

$H_2S$ will precipitate the sulphide of all the metals from the solution of chlorides of Cu, Zn and Cd if

asked Jan 25, 2014 by mosymeow_1

1 answer

Sometimes yellow turbidity appears while passing $H_2S$ gas even in the absence of II group radicals. This is because

asked Jan 25, 2014 by mosymeow_1

1 answer

A salt solution is treated with chloroform drops. Then it is shaken with chlorine water. Chloroform layer becomes violet, solution obtains

asked Jan 25, 2014 by mosymeow_1

1 answer

The salt used for performing bead test in qualitative inorganic analysis is

asked Jan 25, 2014 by mosymeow_1

1 answer

In $KMnO_4$ titrations the indicator used is

asked Jan 25, 2014 by mosymeow_1

1 answer

The colour of the dye obtained by coupling benzene diazonium chloride with aniline is

asked Jan 24, 2014 by mosymeow_1

1 answer

Coupling of benzene diazonium chloride and aniline is carried out at pH

asked Jan 24, 2014 by mosymeow_1

1 answer

Potash Alum is

asked Jan 24, 2014 by mosymeow_1

2 answers

Phenol and acetic acid can be differentiated by

asked Jan 24, 2014 by mosymeow_1

1 answer

Ethanol & Methanol can be differentiated by

asked Jan 24, 2014 by mosymeow_1

1 answer

Alliphatic & aromatic aldehydes can be differentiated by

asked Jan 24, 2014 by mosymeow_1

1 answer

Which of the following test is given both by aldehydes and ketones?

asked Jan 24, 2014 by mosymeow_1

1 answer

Methyl Salicylate has a smell of

asked Jan 24, 2014 by mosymeow_1

1 answer