The orbital having two radial as well as two angular nodes is : Option: 1 3p Option: 2 4d Option: 3 4f Option: 4 5d
A.N. = l
R.N = n – l – 1
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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