MCQ
The coordination number of $Cu$ in complex ${\left[ {Cu{{\left( {{H_2}O} \right)}_4}} \right]^{ + + }}$ is
- ✓$4$
- B$3$
- C$2$
- D$1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Run | $[A]/mol\,L^{-1}$ | $[B]/mol\,L^{-1}$ | Initial rate of formation of $D/mol\,L^{-1}\,min^{-1}$ |
| $I.$ | $0.1$ | $0.1$ | $6.0 \times 10^{-3}$ |
| $II.$ | $0.3$ | $0.2$ | $7.2 \times 10^{-2}$ |
| $III.$ | $0.3$ | $0.4$ | $2.88 \times 10^{-1}$ |
| $IV.$ | $0.4$ | $0.1$ | $2.40 \times 10^{-2}$ |
Based on the above data which one of the following is correct?
(Rounded off to the nearest integer) [Assume : $\ln 10=2.303, \ln 2=0.693$ ]