MCQOPTIONS
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| 1. |
Which of the following is Lewis acid [NCERT 1978; EAMCET 1987; MP PET 1994; CPMT 1990; AFMC 1997; RPMT 1999] |
| A. | \[B{{F}_{3}}\] |
| B. | \[C{{l}^{-}}\] |
| C. | \[{{H}_{2}}O\] |
| D. | \[N{{H}_{3}}\] |
| Answer» B. \[C{{l}^{-}}\] | |