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The electron pairs in space are inclined to occupy this sort of positions that they're at greatest distance so, the repulsive pressure are going to be minimum.
Rationalization: A change controls the movement of present-day inside a circuit by producing or breaking the relationship. It doesn’t make a difference if it’s connected to the neutral or live wire; The real key is finishing or interrupting the circuit. The Performing of change is not depending on the opportunity of Neutral wire.
Rationalization: Resistance will increase with increase in size and decreases with boost in cross-sectional place.
A student traces The trail of a ray of light via a glass prism for various angles of incidence. He analyses Each and every diagram and draws the next summary:
Response: (d) inversely proportional to its length but immediately proportional to the square root of the
Issue two. Focus on the main qualities of 4 blocks of things during the periodic desk? Give their basic electronic configuration.
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Though the amount of new beautiful and repulsive forces is similar, nevertheless the magnitude of your attractive forces is more. So, when two hydrogen atoms solution one another, the overall possible Power from the program decreases. Hence, a stable molecule of hydrogen is fashioned.
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Ionic radius. The Ionic radii might be approximated by measuring the distances involving cations and anions in ionic crystals.
Go through and review the revised syllabus of Class 12 ISC meticulously and Test all of the critical matters which carry far more weight. Prepare them very first after which you can shift to other subjects.
Query 21. Apart from tetrahedral geometry, A further doable geometry for CH4 is square planar While using the 4 H atoms in the comers from the sq. and also the C atom at its centre. Make clear why CH4 isn't sq. planar?