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Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
density of gas is 2.86 ltr.the gas may be-
give some experiments to show difference between alcohol and phenol of class 12 level
If electron falls from n=3 to n= 2 , then emitted energy is: (1) 10.2ev (2) 12.09 ev (3) 1.9ev (4)0
has gold a chemical proporties show/
Which of the following are isoelectronic and isostructural NO - 3 , CO 2- 3 ,ClO - 3 , S O 3 (1) NO - 3 , CO 2 - 3 (2) SO 3 , NO- 3
For d electrons, the azimuthal quantum number is: (1) 0 (2) 1 (3) 2 (4) 3 Ans: 2
Which of the following principles/rules limits the maximum number of electrons in an orbital to two: (1) Aufbau principle (2) Pauli's exclusion principle (3) Hund's rule
The set of quantum numbers not applicable for an electron in an atom is: (1) n= 1, l=1, m 1 = 1, m s = +1/2 (2) n= 1, l=0, m 1 = 0, m s = +1/2 (3) n= 1, l=0 m
Indicate whether the following thermal reactions are allowed concerted reactions by the Woodward-Hoffmann criteria. Classify the reaction according to type. On the basis of
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