KCET · Chemistry · Coordination Compounds
Which one of the following conversions involve change in both hybridisation and shape?
- A \(\mathrm{CH}_{4} \longrightarrow \mathrm{C}_{2} \mathrm{H}_{6}\)
- B \(\mathrm{NH}_{3} \longrightarrow \mathrm{NH}_{4}^{+}\)
- C \(\mathrm{BF}_{3} \longrightarrow \mathrm{BF}_{4}^{-}\)
- D \(\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{H}_{3} \mathrm{O}^{+}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{BF}_{3} \longrightarrow \mathrm{BF}_{4}^{-}\)
Step-by-step Solution
Detailed explanation
(a)
(b)
(c)
(d)
Thus, conversion of \(\mathrm{BF}_{3}\) into \(\mathrm{BF}_{4}^{-}\)involves change in both hybridisation and shape.
(b)
(c)
(d)
Thus, conversion of \(\mathrm{BF}_{3}\) into \(\mathrm{BF}_{4}^{-}\)involves change in both hybridisation and shape.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The number of disulphide linkages present in insulin areKCET 2013 Medium
- For a reaction having three steps, the overall rate constant is \(k = \dfrac{k_1 k_2}{k_3}\). The values of \(E_{a_1}, E_{a_2}\) and \(E_{a_3}\) (activation energies stepwise) are \(40\), \(50\) and \(60\) kJ mol\(^{-1}\) respectively. Then the overall \(E_a\) (activation energy) of the reaction is ____KCET 2026 Medium
- The IUPAC name of \(\mathrm{K}_{2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]\) isKCET 2010 Easy
- The energy of electron in the \( n^{\text {th }} \) Bohr orbit of H-atom isKCET 2016 Easy
- The rate constant of a reaction is given by \(k=P Z e^{-E_{a} / R T}\) under standard notation. In order to speed up the reaction, which of the following factors has to be decreased?KCET 2020 Hard
- Choose the correct statement.KCET 2021 Easy
More PYQs from KCET
- A fruit that develops from a single flower with a syncarpous pistil isKCET 2012 Hard
- The maximum value of \(\frac{\log x}{x}\) in \((2, \infty)\) isKCET 2008 Medium
- \( A(g) \stackrel{\Delta}{\rightarrow} P(g)+Q(g)+R(g) \), follows first order kinetics with a half life of \( 69.3 \mathrm{~s} \) at \( 500^{\circ} \mathrm{C} \).
Starting from the gas 'A' enclosed in a container at \( 500^{\circ} \mathrm{C} \) and at a pressure of \( 0.4 \mathrm{~atm} \), the
total pressure of the system after \( 230 \mathrm{~s} \) will beKCET 2014 Easy - Two capillary tubes of different diameters are dipped in water. The rise of water isKCET 2011 Easy
- \(\mathrm{y}=3 \sin \pi\left(\frac{\mathrm{t}}{2}-\frac{\mathrm{x}}{4}\right)\) represents an equation of a progressive wave, where \(t\) is in second and \(x\) is in metre. The distance travelled by the wave in \(5 \mathrm{~s}\) isKCET 2009 Medium
- Moment of Inertia of a thin uniform rod rotating about the perpendicular axis passing through its centre is \( I \). If the same rod is bent into a ring and its moment of inertia about its diameter is \( I^{\prime} \) then the ratio \( \frac{I}{I^{\prime}} \) isKCET 2015 Easy