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Mdcat-past-papers - ETEA Quiz

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581. Which of the following sub-shell does not exist?



582. An unknown element having electronic configuration [Ne] 5s2 5p5 will be:



583. The splitting of spectral lines in magnetic field is:



584. Which element has the electronic configuration of noble gas notation [Kr] 5s2 4d2



585. Greater the wavelength associated with the photon:



586. Which of the following property decreases in Group 2 as we go down the group?



587. Which of the following elements has highest lattice energy?



588. Which of the following ionic compounds has the highest value of ionization energy?



589. Which of the following is the example of polar molecular solids?



590. The shape of ammonia (NH₃) is:



591. Total number of electron pairs present in the valence shell of central atom in water are:



592. Which one of the following molecules has a pyramidal structure?



593. Identify the compound given below which has bonds formed by overlapping of sp and p orbitals:



594. The unhybridized p orbital in sp² hybridization is:



595. Which one of the following molecules has a zero dipole moment?



596. A system that can exchange both matter and energy with the surroundings is:



597. The sum of all the energies of all the molecules or atoms of a substance is called its:



598. If the work is done by the system on the surroundings and heat is absorbed by the system, the change in internal energy ΔE will be:



599. Calculate the work done when 1 mole of an ideal gas expands from 15 dm³ to 20 dm³ against constant external pressure of 2 atmospheres.



600. One slice of bread with a tablespoon of peanut butter on it contains 20g carbohydrate, 10g protein, and 9g fat. Calculate total energy consumed in this intake:



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