The correct sequence of reagents used in the preparation of 4-bromo-2-nitroethyl benzene from benzene is : Option: 1 Option: 2 Option: 3 Option: 4
Therefore, option(4) is correct.
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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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