Determine the electronic configurations, Aufbau principle is obeyed in whic...

Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6                    (2)  1s 2 3p 6 3s 2      (3)  1s 2 3s 2 3p 6

The model of trans-bicyclo decane, The model of trans-bicyclo decane T...

The model of trans-bicyclo decane The model of trans-bicyclo[5.3.0]decane is easier to build. The larger is a ring, the easier it is to compress the dihedral angle of the tran

Why can butyllithium not be used for deprotonation, Why can butyllithium (B...

Why can butyllithium (BuLi) not be used for deprotonation? The direct alkylation of enolates is often not very efficient for a preparative synthesis due to problems with furthe

Number of unpaired electron, Number of unpaired electrons in  Mn 4+ is: ...

Number of unpaired electrons in  Mn 4+ is: (1) 3        (2) 5         (3) 6       (4) 4 Ans: 3

Volumetric analysis, What is meant by a link solution ?

What is meant by a link solution ?

Thermodaenamics,

Explain curie point and hystereris, Explain Curie point and hystereris? ...

Explain Curie point and hystereris? An ordinary piece of iron generally has little or no net magnetic moment. Though, if it is placed in a strong enough external magnetic fie

Who proposed law of mass action, Laws of mass action were proposed by Gulbe...

Laws of mass action were proposed by Gulberg and Waage. The rate of chemical reaction is directly proportional to the product of the active masses of the reactants (molar concentra

Metelurgy, general principle on metelurgy

general principle on metelurgy

Maximum effluent bod permissible, A township of 25,000 inhabitants is to di...

A township of 25,000 inhabitants is to discharge treated domestic sewage to the neighboring stream which has a least flow of 0.25 m3/s and a 5-day BOD of 3 mg/L. Water consumption