$$ \text { Match List I with List II : } $$
| List I (Complex/ion) |
List II (Shape/geometry) |
||
|---|---|---|---|
| A. | $$ \left[\mathrm{Pt}\left(\mathrm{Cl}_2\right)\left(\mathrm{NH}_3\right)_2\right] $$ |
I. | Octahedral |
| B. | $$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3 $$ |
II. | Trigonal bipyramidal |
| C. | $$ \left[\mathrm{NiCl}_4\right]^{2-} $$ |
III. | Square planar |
| D. | $$ \left[\mathrm{Fe}(\mathrm{CO})_5\right] $$ |
IV. | Tetrahedral |
A-III, B-IV, C-I, D-II
A-III, B-I, C-IV, D-II
A-IV, B-I, C-III, D-II
A-I, B-III, C-IV, D-II
The functional group that can be identified through phthalein dye test is :
Aldehyde
Phenolic
Carboxylic acid
Alcohol
$$ \text { Two products } X \text { and } Y \text { are formed in the following reaction sequence. } $$
The suitable method that can be used for the separation of products X and Y is :
Fractional distillation
Sublimation
Differential extraction
Continuous extraction
Identify the correct statements :
(A) The molality of 2.5 g of ethanoic acid (Molar mass : $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) in 75 g of benzene solution is 0.556 m .
(B) The molarity of a solution containing 5 g of NaOH (molar mass : $40 \mathrm{~g} \mathrm{~mol}^{-1}$ ) in 450 mL of solution is 0.278 M at 298 K .
(C) Aquatic species are more comfortable in cold water.
(D) The solubility of gas increases with decrease in pressure.
(E) For a binary mixture of $A$ and $B$, the number of moles of $A$ and $B$ are $n_A$ and $n_B$ respectively. The mole fraction of $B$ will be $x_B=\frac{n_A}{n_A+n_B}$.
Choose the correct answer from the options given below :
A, B and C only
A and B only
A and C only
A, D and E only
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