Number of unpaired electrons in a chromic ion, The number of unpaired elect...

The number of unpaired electrons in a chromic ion Cr 3+ (atomic number = 24) is: (1) 6        (2) 4        (3) 3        (4) 1 Ans: 3

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

When an electron jumps from l to k shell, When an electron jumps from L  ...

When an electron jumps from L  to K  shell: (1) Energy is absorbed   (2) Energy is released  (3) Energy is sometimes absorbed and sometimes  released (4) Energy is nei

Alcoholic acidity, Is there a way to reverify alcoholic acidity using pH?

Is there a way to reverify alcoholic acidity using pH?

Ionic bond,

ANALYSIS METHOD, CALCIUM CARBONATE TEST METHOD

CALCIUM CARBONATE TEST METHOD

What are the properties of nitrogen, Q. What are the Properties of Nitrogen...

Q. What are the Properties of Nitrogen? Ans. Physical Properties of Nitrogen Nitrogen is a colorless, odorless and tasteless gas. It is particularly unreactive at roo

ELIMENT, D BLOCK ELIMENT

D BLOCK ELIMENT

The de-broglie wavelength of a particle with mass, The de-Broglie wavelengt...

The de-Broglie wavelength of a particle with mass 1gm  and velocity  100m/ sec is: (1) 6.63 x 10 -53 m                             (2) 6.63 x 10 -34 m                (3

Electron pair bonds-lewis and valence structures, A single covalent bond is...

A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a repr