Chemistry Test ...

Lanthanides are

Which of the following gases is evolved on heating ammonium dichromate?

Excited state configuration of Mn²⁺ is

Which of the following reagents cannot be used to identify nickel ion?

Vanadium (III) oxide is a strong _________.

The correct order for the wavelengths of absorption of the complexes of nickel in the visible region is

One mole of a complex compound Co(NH₃)₅Cl₃ gives 3 moles of ions on disssolution in water. One mole of the same complex reacts with two moles of AgNO₃ solution to yield two moles of AgCl (s). The structure of the

The number of unpaired electrons in the complexion [CoF₆]^3- (Atomic number Co = 27) is

Assign the hybridization, shape and magnetic moment of K₂[Cu (CN)₄].

In the complexes [Fe(CN)₆]^3- and [Fe(C2O4)₃]^3-, the respective coordination numbers of Iron is

Directions: Consider the following reaction.

CH₃CHO+HCN→CH₃CH(OH)CN (in presence of HOH)→CH₃CH(OH)COOH

In this reaction, an asymmetric center is generated. The acid obtained would be

Which of the following is optically active?

How many chiral carbon atoms are present in 2, 3, 4−trichloropentane?

A compound whose molecules are super imposable on their mirror images, even when they contain asymmetric carbon atoms is called

Which of the following exhibits stereo isomerism?

(a) 1, 2 - dichloroethylene (b) 2 - hydroxy propanoic acid

(c) 1, 1 - dichloroethylene (d) 2 - methyl propane