The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is:
Step 1: The given compound is \(5\)-phenylpent-4-en-2-ol. This is a compound with one chiral center at \(C_2\) and one at \(C_4\), which means it can form stereoisomers.
Step 2: Since the structure is of an alkene (with a double bond) at the position 4, and the hydroxyl group (\(OH\)) at position 2, the molecule can form cis and trans stereoisomers depending on the orientation of the substituents about the double bond.
Step 3: There are two chiral centers in the molecule. For each chiral center, there are two possibilities (R or S), leading to a total of \(2^2 = 4\) stereoisomers. However, the molecule also has a plane of symmetry due to the phenyl group, which reduces the total number of stereoisomers.
Step 4: Hence, the molecule has only 2 stereoisomers.
What will be the equilibrium constant of the given reaction carried out in a \(5 \,L\) vessel and having equilibrium amounts of \(A_2\) and \(A\) as \(0.5\) mole and \(2 \times 10^{-6}\) mole respectively?
The reaction : \(A_2 \rightleftharpoons 2A\)

Cobalt chloride when dissolved in water forms pink colored complex $X$ which has octahedral geometry. This solution on treating with cone $HCl$ forms deep blue complex, $\underline{Y}$ which has a $\underline{Z}$ geometry $X, Y$ and $Z$, respectively, are

Which of the following is not correct?
What will be the equilibrium constant of the given reaction carried out in a \(5 \,L\) vessel and having equilibrium amounts of \(A_2\) and \(A\) as \(0.5\) mole and \(2 \times 10^{-6}\) mole respectively?
The reaction : \(A_2 \rightleftharpoons 2A\)
A black body is at a temperature of 2880 K. The energy of radiation emitted by this body with wavelength between 499 nm and 500 nm is U1, between 999 nm and 1000 nm is U2 and between 1499 nm and 1500 nm is U3. The Wien's constant, b = 2.88×106 nm-K. Then,