The given zirconocene compound, (η5-Cp)2ZrEt2, when heated in the presence of an equimolar amount of PMe3 results in the formation of a compound X which obeys the 18-electron rule. The reaction also resulted in the release of a saturated hydrocarbon.
[Given: Atomic number of Zr = 40]
The structure of compound X is:
The reaction that proceeds through an oxidative addition followed by a reductive elimination is:
[Given: Atomic numbers Ni = 28, Ta = 73, Zr = 40, Pt = 78]
The expressions for the vapour pressure of solid (\( p_1 \)) and vapour pressure of liquid (\( p_2 \)) phases of a pure substance, respectively, are \[ \ln p_1 = \frac{-2000}{T} + 5 \quad {and} \quad \ln p_2 = \frac{-4000}{T} + 10 \] The triple point temperature of this substance is ________ K (in integer).}
The ratio of the fundamental vibrational frequencies \( \left( \nu_{^{13}C^{16}O} / \nu_{^{12}C^{16}O} \right) \) of two diatomic molecules \( ^{13}C^{16}O \) and \( ^{12}C^{16}O \), considering their force constants to be the same, is ___________ (rounded off to two decimal places).}
The specific rotation of enantiomerically pure (S)-2-butanol is \( +14^\circ \). The specific rotation of the enantiomeric mixture of 2-butanol obtained from an asymmetric reduction of 2-butanone is found to be \( +7^\circ \).
The percentage of (R)-2-butanol present in the reaction mixture is _________ (in integer).
Partial hydrolysis of a pentapeptide yields all possible tripeptides and dipeptides. The dipeptides that are obtained upon hydrolysis are given below:
The total number of tripeptides obtained that contain ‘Ala’ as one of the amino acids is 2 (in integer).
Xe and F2 in 1:1 molar ratio when mixed in a closed flask and kept in sunlight for a day, gave white crystals of a compound Q. Two equivalents of Q on reaction with one equivalent of AsF5 gave an ionic compound X+Y– with the cation having two Xe atoms. The total number of lone pairs present on the cation X+ is ___________ (in integer).
Choose the correct option(s) with regard to mechanism of the following transformation.
Among the given options, the possible product(s) that can be obtained from the following reaction is/are:
The correct option(s) of reagents and reaction sequences suitable for carrying out the following transformation is/are:
The number of patients per shift (X) consulting Dr. Gita in her past 100 shifts is shown in the figure. If the amount she earns is ₹1000(X - 0.2), what is the average amount (in ₹) she has earned per shift in the past 100 shifts?
A regular dodecagon (12-sided regular polygon) is inscribed in a circle of radius \( r \) cm as shown in the figure. The side of the dodecagon is \( d \) cm. All the triangles (numbered 1 to 12 in the figure) are used to form squares of side \( r \) cm, and each numbered triangle is used only once to form a square. The number of squares that can be formed and the number of triangles required to form each square, respectively, are:
Weight of a person can be expressed as a function of their age. The function usually varies from person to person. Suppose this function is identical for two brothers, and it monotonically increases till the age of 50 years and then it monotonically decreases. Let \( a_1 \) and \( a_2 \) (in years) denote the ages of the brothers and \( a_1<a_2 \). Which one of the following statements is correct about their age on the day when they attain the same weight?
Column-I has statements made by Shanthala; and, Column-II has responses given by Kanishk.
A rectangle has a length \(L\) and a width \(W\), where \(L>W\). If the width, \(W\), is increased by 10%, which one of the following statements is correct for all values of \(L\) and \(W\)? Select the most appropriate option to complete the above sentence.
In the given figure, the numbers associated with the rectangle, triangle, and ellipse are 1, 2, and 3, respectively. Which one among the given options is the most appropriate combination of \( P \), \( Q \), and \( R \)?
A 4 × 4 digital image has pixel intensities (U) as shown in the figure. The number of pixels with \( U \leq 4 \) is:
We __________ tennis in the lawn when it suddenly started to rain. Select the most appropriate option to complete the above sentence.
Courage : Bravery :: Yearning : Select the most appropriate option to complete the analogy.
