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Best apps for iit jee preparation|iit jee online preparation

 Best apps for iit jee preparation IIT JEE exam is one of the precious engineering entance exam in india. Many of students prepare for this exam to get seat into iits which is jee advance and also for nits and gfits they usually write jee main. For this precious exam student's start their preparation in various coaching centres. Student's prefer best coaching centre to crack such type of compitative exam. Now a days student's majorly preferring online coaching than offline coaching because they are getting personalised learning. There are huge number of online coaching apps but some of them produce beautiful content to students so they can easily crack these exams. Some of apps trending in app store for iit jee preparation are 1.unacademy 2.vedantu 3.byjus 4.gradeup or goprep 5.Esarel 6.ATP star 7.Rankersjee 8.Doutnut 9.Mathongo 10.Melvano And many more Which app do you prefer comment.

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Why muscles breakdown during exercises and how to prevent them

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Jee advanced important chapters | jee advanced strategy for 2-3 months

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VSEPR theory on BrF3 Molecule

Structure of BrF3 Molecule  The central atom Br has seven electrons in the valence shell. Three of these will form electron-pair bonds with three fluorine atoms leaving behind four electrons. Thus, there are three bond pairs and two lone pairs. According to VSEPR theory, these will occupy the corners of a trigonal bipyramid. The two lone pairs will occupy the equatorial positions to minimise lone pair -lone pair and the bond pair -lone pair repulsions which are greater than the bond pair-bond pair repulsions. In addition, the axial fluorine atoms will be bent towards the equatorial fluorine in order to minimise the lone-pair lone-pair repulsions. The shape would be that of a slightly bent T.