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Why is chemistry so tough?

Asked by Sahil 26/11/2021 Last Modified 13/03/2024

1 Answer

Learn Chemistry +4 Chemistry in Everyday Life Unit III: Electrochemistry Unit V: Surface Chemistry Unit XVI: Chemistry in Everyday life

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Can I pass class 11 and 12 with good marks without any coaching?

we live in a world where digital technology has outweighed conventional way of teaching.One can easily score good marks in class 11 and 12 without coaching. Some of the best online learning portals are Khan Academy, Youtube, ask iitians, Quora etccc

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How can one do well in class 11 and 12 (CBSE) without coaching?

Without coaching you have to ref NCERT books. Go through mathematical and science concepts first, learn the formulae and then go for attmpting different MCQ's. By having sufficient practise you will gain confidenece. Best Luck

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The linear shape of C0₂ is due to ______ .
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Due to sp hybridization of carbon

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CO is isoelectronic with
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(b) N₂
(c) SnCl₂
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CO is isoelectronic with NO+ and N2. So, options (a) and (b) are the right answers. CO has 14 electrons, 8 from oxygen and 6 from carbon. NO has 15 electrons 8 from oxygen and 7 from nitogen. But, as it...

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The size of isoelectronic species-F^–, Ne and Na⁺is affected by
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(d) none of the factors because their size is the same

a)nuclear charge (Z)

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