Recent questions in Chemistry

The hybridisation of Fe in $[Fe(H_2O)_5NO]SO_4$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

The following complex representation violates IUPAC rule

asked Jan 31, 2014 by sreemathi.v

1 answer

A complex in which central atom carries zero oxidation state is

asked Jan 31, 2014 by sreemathi.v

1 answer

The effective atomic number of Cr in $[Cr(NH_3)_6]Cl_3$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

$K_4[Fe(CN)_6]$ is a

asked Jan 31, 2014 by sreemathi.v

1 answer

Potassium hexa chloro platinate(IV) is

asked Jan 31, 2014 by sreemathi.v

1 answer

Atomic radius is of the order of $10^{-8} cm$ and nuclear radius is of the order of $10^{-13}$ cm. calculate what fraction of atom is occupied by nucleus?

asked Jan 31, 2014 by sharmaaparna1

1 answer

Neutral complex among following

asked Jan 31, 2014 by sreemathi.v

1 answer

The secondary valency of chromium in $[Cr(CN)_3]Cl_3$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

The oxidation state of chromium in complex $[Cr(NH_3)_4Cl_2]Cl$

asked Jan 31, 2014 by sreemathi.v

1 answer

Find out the energy of H atom in first excitation state. The value of permitivity factor $4\pi E_{\large\circ} = 1.11264\times10^{-10} C^2N^{-1}m{-2}$

asked Jan 31, 2014 by sharmaaparna1

1 answer

Which of the following exhibits purple colour in solution?

asked Jan 31, 2014 by sreemathi.v

1 answer

The metal present in chlorophyll

asked Jan 31, 2014 by sreemathi.v

1 answer

What is the principal quantum no. of H-atom Orbital if the electron energy is -3.4 eV ? also report the angular momentum of electron

asked Jan 31, 2014 by sharmaaparna1

1 answer

In metallurgy the metal used to displace silver pom its cyano complex

asked Jan 31, 2014 by sreemathi.v

1 answer

The number of moles of KI required to prepare are mole of $K_2[HgI_4]$

asked Jan 31, 2014 by sreemathi.v

1 answer

The ionisation isomerism is possible with

asked Jan 31, 2014 by sreemathi.v

1 answer

Which of the following is an ambident ligand

asked Jan 31, 2014 by sreemathi.v

1 answer

What hydrogen like ion has the wavelength difference between the first lines of Balmer and Lyman series equal to 59.3 nm? $R_H = 109678 cm^{-1}$

asked Jan 31, 2014 by sharmaaparna1

1 answer

IUPAC name of $K_3[Fe(CN)_6]$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

Hydrazinium ion is

asked Jan 31, 2014 by sreemathi.v

1 answer

The formula of "nitrosyl" group

asked Jan 31, 2014 by sreemathi.v

1 answer

The hybridisation of iron in $K_4[Fe(CN)_6]$

asked Jan 31, 2014 by sreemathi.v

1 answer

The primary valency of 'Fe' in complex $K_4[Fe(CN)_6]$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

The oxidation state of iron in $[Fe(CN)_6]^{3-}$

asked Jan 31, 2014 by sreemathi.v

1 answer

The donor atoms in ethylenediamine

asked Jan 31, 2014 by sreemathi.v

1 answer

The charge on cobalt in $[CO(CN)_6]^{3-}$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

Ligand in a metal carbonyl complex

asked Jan 31, 2014 by sreemathi.v

1 answer

Carnalite is an example of

asked Jan 31, 2014 by sreemathi.v

1 answer

Platinum, palladium, iridium etc., are called noble metals because

asked Jan 31, 2014 by sreemathi.v

1 answer

In photography sodium thiosulphate is used as

asked Jan 30, 2014 by sreemathi.v

1 answer

Which of the following are the causes of Lanthanide contraction?

asked Jan 30, 2014 by sreemathi.v

1 answer

One of the important use of ferrous sulphate is in the

asked Jan 30, 2014 by sreemathi.v

1 answer

In acidic medium one mole of $MnO_4^-$ accepts how many moles of electrons in a redox process ?

asked Jan 30, 2014 by sreemathi.v

1 answer

The property exhibited by only transitional elements

asked Jan 30, 2014 by sreemathi.v

1 answer

In first transition series, the melting point of Mn is low because

asked Jan 30, 2014 by sreemathi.v

1 answer

Vanadium (III) oxide is a strong

asked Jan 30, 2014 by sreemathi.v

1 answer

In which of the following will the ionic radii of chromium be the smallest

asked Jan 30, 2014 by sreemathi.v

1 answer

The transitional metal which form green compound in +3 oxidation state and yellow orange compound in +6 oxidation state is

asked Jan 30, 2014 by sreemathi.v

1 answer

Least reactive metal is

asked Jan 30, 2014 by sreemathi.v

1 answer

Which is most reactive metal

asked Jan 30, 2014 by sreemathi.v

1 answer

Stainless steel does not rust because

asked Jan 30, 2014 by sreemathi.v

1 answer

Lanthanoids are

asked Jan 30, 2014 by sreemathi.v

1 answer

Which statement is true about the transitional elements

asked Jan 30, 2014 by sreemathi.v

1 answer

Presence of nitrogen in which of the following compound cannot be detected by Lassaigne's test?

asked Jan 30, 2014 by mosymeow_1

1 answer

The equivalent weight of potassium permanganate for acid solution is

asked Jan 30, 2014 by sreemathi.v

1 answer

Which of the following is not true for transition metals.

asked Jan 30, 2014 by sreemathi.v

1 answer

The highest oxidation state of will be

asked Jan 30, 2014 by sreemathi.v

1 answer

Which of the following is the weakest reducing agent

asked Jan 30, 2014 by sreemathi.v

1 answer

Which of the following forms interstitial compounds

asked Jan 30, 2014 by sreemathi.v

1 answer

Ask Questions, Get Answers