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Describe the following observations:
a. Lyophilic colloid is more stable than Lyophobic colloid.
b. Coagulation takes place when sodium chloride solution is added to a colloidal solution of ferric hydroxide.
c. Why Sky appears blue in colour.
Which of the following sets of quantum number is not possible: (1) n=3, l=+2, m=0,and s = +1/2 (2) n=3, l=0, m=0,and s = -1/2 (3) n=3, l=0, m=-1,and s = +1/2
Atomic radius (r): As we known, the corner atoms do not touch each other. But, each corner atom touches the face centered atoms with the diagonal of the face of the cube as s
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
how to construct SHE
Free radical replacement reactions Free radical substitution reactions include the attack by a free radical. These reactions happen by free radical mechanism that includes Init
The hybradization state of the Fe among [Fe(CN)6]3-,[Fe(CO)5] and [Fe(H2O)6]2+ is Ans) D2SP3,DSP3,SP3D2
Group 1- Alkali Metals The elements of group 1 are commonly known as alkali metals after the alkaline properties of their hydroxides such as NaOH. The atoms have the (ns) 1 e
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
why f-block elements are called inner transition elements?
what is the graph between magnification and image distance for a convex lens..and how can we find the focal length for the lens using the graph? Ans) The distance between the len
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